Question

what should be added to (2/3+5/10) to get (-2/15)?
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Answer 1

Answer:

2/3+ 5/10= -2/15

LCM OF 3 AND 10 =30

20/30 +15/30=-2/15

35/30=-2/15

35/30 -2/15=

NOW AGAIN LCM of 15 and 30 =30

35/30 - 4/30=31/30

Answer 2

Answer:

see the above picture one by one it's just whole one single photo of this questions