Page 83 - Maths Class 05

Solution : Method 1 2 3 + 1 3
5 10
Step 1 : We add the whole numbers,
3 3
separately. = (2 + 1) + +
5 10
Step 2 : To add fractions, we take LCM of 3 3
= 3 + +
the denominators and change 5 10

the fraction into like fractions. 6 + 3
= 3 +
Step 3 : We find the sum of the whole 10

numbers and the fractions in the = 3 + 9
10
simplest form.
9
= 3
10

Method 2

Step 1 : We change the mixed fractions 2 3 + 1 3
5 10
into improper fractions.
(5 × 2) + 3 (10 × 1) + 3
Step 2 : We take LCM of the = +
5 10
denominators and change the 13 13
= +
fractions into like fractions. 5 10

Step 3 : We add the like fractions and 26 + 13
=
express the sum to its simplest 10

form. 39
=
10

Practice - 4.3
Practice - 4.3
Practice - 4.3
Practice - 4.3 = 3 9
10
1. Add.
3 9 1 3 2 1 1 3
a. + b. + c. + d. +
8 16 6 4 5 4 12 6
1 7 5 1 3 1 4 2
e. + f. + g. + h. 2 + 2
8 11 6 3 11 22 6 3
1 1 5 3 3 1 2 4
i. + j. 3 + 1 k. 1 + 2 l. +
3 4 6 4 7 5 5 10

m. 3 1 + 2 1 n. 3 + 2 o. 1 + 4 p. 2 1 + 3 4
2 4 4 3 15 5 4 5
5
2. Issac is allowed to play video games for 2 hours each day. He has already played for
3
4
1 hours today. What fraction of an hour does Issac have left to play video games today ?
3

Mathematics-5 83