Subtract 21/35 from 16/36, Solve 16/36

Subtract 21/35 from 16/36

16/36 - 21/35 is -7/45.

Find the least common denominator or LCM of the two denominators:
LCM of 36 and 35 is 1260

Next, find the equivalent fraction of both fractional numbers with denominator 1260
For the 1st fraction, since 36 × 35 = 1260,
16/36 = 16 × 35/36 × 35 = 560/1260
Likewise, for the 2nd fraction, since 35 × 36 = 1260,
21/35 = 21 × 36/35 × 36 = 756/1260
Subtract the two like fractions:
560/1260 - 756/1260 = 560 - 756/1260 = -196/1260
After reducing the fraction, the answer is -7/45

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