Math, asked by zvajeeha23, 1 year ago

using appropriate properties of rational number find sum of 3/4+4/21+7/8+5/7

Answers

Answered by lalitviradiya

13

Step-by-step explanation:

3/4+4/21+7/8+5/7
(3/4+7/8)+(4/21+5/7)

l.c.m=8

l.c.m.=21

(6/8+7/8)+(4/21+15/21)
13/8+19/21

l.c.m.=168

273/21+152/21
425/21

Answered by veenachitra

5

Answer:

425/21

Step-by-step explanation:

It's associative activity

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