Question

Add the following fractions

(i) 1/5 + 3/5

(ii) 1/7 + 3/7

(iii) 5/12 + 2/12

(iv) 3/9 + 7/9

(v) 2/15 + 3/15

(vi) 2/7 + 1/7 + 3/7

(vii) 3/10 + 5/10 + 2/10

(viii) 2/9 + 1/9

(ix) 38 + 28

Answer 1

(i) 1/5+3/5 = 1+3/5 = 4/5

(ii) 1/7+3/7 = 1+3/7 = 4/7

(iii) 5/12+2/12 = 5+2/12 = 7/12

(iv) 3/9+7/9 = 3+7/9 = 10/9

(v) 2/15+3/15 = 2+3/15 = 5/15

(vi) 2/7+1/7+3/7 = 2+1+3/7 = 6/7

(vii) 3/10+5/10+2/10 = 3+5+2/10 = 10/10 = 1 

(viii) 2/9+1/9 = 2+1/9 = 3/9

(ix) 3/8+2/8 = 3+2/8 = 5/8