Page 84 - Math Skill - 4
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82                                                                                                  Maths








                                                     MIND MAP









                 Definition

          “It is a part of whole”                      Fractions                            Type
              or
          “A part of a collection”

                                                                                     LIKE FRACTIONS
                 Structure                       Conversion           Fraction with same denominator
                      Numerator                                             1   4   7
          Fraction =                                                  e.g.    ,   ,
                     Denominator                                            5   5   5
                                                                                    UNLIKE FRACTIONS
                Improper Fraction to Mixed Fraction                   Fractions with different denominator
                                        Remainder                           1   2   6
          Improper Fraction = Quotient                                e.g.    ,   ,
                                          Divisor                           3   5   7
                                                                                    PROPER FRACTIONS

                Mixed Fraction to Improper Fraction                   When numerator is less than denominator
          Mixed Fraction                                              e.g.   3  ,   4  ,   9
                (Number Part × Denominator) + Numerator                     5   7   12
              =                                                                    IMPROPER FRACTIONS
                               Denominator
                                                                      When numerator is greater than denominator
                                                                            7   3   8
                                                                      e.g.    ,   ,
                      Comparison of Fraction                                5   2   7
           1.  Fraction  with  greater  numerator  is  greater                       UNIT FRACTIONS
              than other if fractions have same denominator.          Fraction with numerator ‘1’
                                       8        6         4                 1 1    1
                                  e  .  g  .     >   >                e.g.  ,    ,
                                      11        11       11                 5 7 11
           2.  Fraction  with  greater  denominator  is  smaller                     MIXED FRACTIONS
              than other if fractions have same numerator.
                                  2       2      2        2           Combination of ‘number + proper fraction’
                   e.g.   >                 >       >                         1       1              2       2
                                  5       7      11      13           e.g.  3    = 3 +             6    = 6 +
           3.  If numerator and denominator both are                          7       7              3       3
              different  then  do  this  with  cross-product.                     EQUIVALENT FRACTIONS
                   7      9     7 × 4   2 × 9                         Fractions having same value
              e.g.
                   2      4     = 28    = 18         28 > 18                1   2   4               1   2    4
                                                     7   9            e.g.    ,   ,                   =    =
                                              Now       >                   2   4   8               4   4    8
                                                     2   4
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