Question

solve:-
a) 2/3+1/7
b) 3/10+7/15​

Answer 1

solve:-

a) 2/3+1/7

ANS -

FIRST TAKE THE LCM OF THE DENOMINATOR

HERE DENOMINATOR IS 3 AND 7

LCM OF 3 AND 7 IS 21

2 = 2 × 7 = 14

3 3 × 7 21

1 = 1 × 3 = 3

7 7 × 3 21

14 + 3 = 17

21 21

DO SAME AS IN 2nd part

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