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Answered by
2
Step-by-step explanation:
3/4+-2/5=-2/5+3/5
=3/4-2/5=-2/5+3/4
=15-8/20=-8+15/20
=7/20=7/20
=Verified
Answered by
4
Step-by-step explanation:
3/4+(-2/5)=-2/5+3/5
=3/4-2/5=-2/5+3/4
=15-8/20=-8+15/20
=7/20=7/20
(proved)...
Hope it's helpful to uu....
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