simplify 0.144÷1.2/0.016÷0.02+7/5-21/8.​

Question

simplify 0.144÷1.2/0.016÷0.02+7/5-21/8.​

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Lyla 1 week 2021-09-09T16:53:54+00:00 1 Answer 0 views 0

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    2021-09-09T16:55:04+00:00

    Answer:

    =0.12/0.8+7×8/5×8-21×5/8×5

    =0.15+56/40-105/40

    =15/100+56/40-105/40

    (15/100=3/20)

    so,=3/20+56/40-105/40

    by doing base same now,we get

    3×2/20×2+56/40-105/40

    6/40+56/40-105/40

    =43/40

    =1 3/40

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