Question

simplify -4by5—3by15+7by20​

Answer 1

Answer:

Step-by-step explanation:

(-4/5)-(3/15)+(7/20)

(-48-13+21)/60

-39/60

-13/20

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Answer 2

Answer:

take lcm i. e 60

-48-12+21/60=-39/60=-13/20 or -0.65

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