Page 83 - Revised Maths Wisdom Class - 6

Fractions 81

1
Fraction given to her friend =
6
1
2
Total fraction she gives away = + = 3 = 1
6 6 6 2
1 1
Example 7: Raju walked a certain distance in 19 minutes. It took Sam only 14 minutes. How much longer
2 2
did it take Raju to cover the distance?

1 39
Solution: Time taken by Raju = 19 =
2 2
1 29
Time taken by Sam = 14 = minutes
2 2
39 29 39 29− 10
Their Difference = - = = = 5 minutes
2 2 2 2
Hence, Raju took 5 minutes more than Sam to cover the distance.

Exercise 5E
Exercise 5E
1. Find the sum and express the result as a mixed number in simplest form:

2 1 1 3 8 3 2 7 4 7
(a) + (b) + (c) + (d) + (e) +
3 3 5 5 11 11 9 9 3 3
2. Find the difference:

1 2 2 1 4 1 1 3 2 1
(a) 5 - (b) 4 − 1 (c) 6 - 3 (d) 4 - (e) -
2 7 3 3 9 2 2 10 3 6
3. Simplify the following:

3 9 3 5 2 1 3 4 1
(a) 11 − + (b) 7 + 3 − 1 (c) + +
7 16 4 9 3 7 10 5 2
2 3
4. Rumi and Sahil bought a cake. Rumi ate of it and Sahil ate of it. Who ate more and by how much?
5 10
5. Ms. Gautam has thirty plants. Three-fifth of them have flowers. How many of her plants don’t have flowers?
6. On Friday Simon ate three tenths of a kg of cherries. On Saturday, he ate half of a kg of cherries. What amount
of cherries are left now if he had one kg of cherries?
7. Kaya put one third of a cup of sugar into the bowl. She then added one and one-fourth cups more. Realizing
that she put in too much, she took out two-fifths of a cup. How much sugar was left in the bowl?
1
8. A journey to Delhi to Bengaluru takes three and a third hours by plane. It would take about 29 hours to get
there by train. How much time is saved by flying? 5
1
9. Aditya completes his weekly assignments spending 2 hours everyday in a week whereas Rishi spends 5
1 2
hours on Saturday and 3 hours on Sunday. Who spent more time and by how much? What habit of Aditya
3
is displayed here? What do you do to complete your weekly assignments?