Question

add the following fraction of 3/5+6/7+4/8​

Answer 1

3/5 + 6/7 + 4/8

taking l.c.m.

168 + 240 + 140 / 280

548 / 280

divided by 4

137 / 70

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Answer 2

the numbers are 3/5 +6/7 +4/8
therefore the l.c.m t of the denominators is 280
hence 280/5=56
3*56/5*56=168/280
6*40/7*40=240/280
4*35/8*35=140/280
hence, (168+240+140)/280=548/280=1.95
therefore answer to this question is 1.95
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