Subtract 16/72 from 7/84, Solve 7/84

Subtract 16/72 from 7/84

7/84 - 16/72 is -5/36.

Find the least common denominator or LCM of the two denominators:
LCM of 84 and 72 is 504

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 84 × 6 = 504,
7/84 = 7 × 6/84 × 6 = 42/504
Likewise, for the 2nd fraction, since 72 × 7 = 504,
16/72 = 16 × 7/72 × 7 = 112/504
Subtract the two like fractions:
42/504 - 112/504 = 42 - 112/504 = -70/504
After reducing the fraction, the answer is -5/36

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