evaluate -2/5+(-3/4)-(-5/2)
step by step
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Step-by-step explanation:
= -2/5 + (-3/4) - (-5/2)
= -2/5 - 3/4 + 5/2
= ( -2 × 4 ) - ( 3 × 5 ) + ( 5 × 10 )
5 × 4. 4 × 5. 2 × 10
= -8/20 - 15/20 + 50/20
= -8 - 15 + 50
20
= 27
20
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