Subtract 70/16 from 16/72, Solve 16/72

Subtract 70/16 from 16/72

1^st number: 16/72, 2^nd number: 4 6/16

16/72 - 70/16 is -299/72.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 16 is 144

Next, find the equivalent fraction of both fractional numbers with denominator 144
For the 1st fraction, since 72 × 2 = 144,
16/72 = 16 × 2/72 × 2 = 32/144
Likewise, for the 2nd fraction, since 16 × 9 = 144,
70/16 = 70 × 9/16 × 9 = 630/144
Subtract the two like fractions:
32/144 - 630/144 = 32 - 630/144 = -598/144
After reducing the fraction, the answer is -299/72

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