Question

SIMPLIFY


RATIONAL NUMBERS
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Answer 1

7/9+(-4)/5+5/7

LCM of denominator 9,5 and 7 is 315

a/q

7/9+(-4)/5+5/7

(245-252+225)/315

218/315

hence 218/315 is the answer

Answer 2

Answer:

218/315

Step-by-step explanation:

7/9 + (-4)/5 + 5/7

(245-252+225)/315 [L.c.m of 9,5,7 = 315]

(470-252)/315

218/315 (already in the simplest form)