Subtract 18/16 from 36/70, Solve 36/70

Subtract 18/16 from 36/70

1^st number: 36/70, 2^nd number: 1 2/16

36/70 - 18/16 is -171/280.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 16 is 560

Next, find the equivalent fraction of both fractional numbers with denominator 560
For the 1st fraction, since 70 × 8 = 560,
36/70 = 36 × 8/70 × 8 = 288/560
Likewise, for the 2nd fraction, since 16 × 35 = 560,
18/16 = 18 × 35/16 × 35 = 630/560
Subtract the two like fractions:
288/560 - 630/560 = 288 - 630/560 = -342/560
After reducing the fraction, the answer is -171/280

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