Subtract 16/63 from 12/84
12/84 - 16/63 is -1/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
12/84 = 12 × 3/84 × 3 = 36/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
16/63 = 16 × 4/63 × 4 = 64/252 - Subtract the two like fractions:
36/252 - 64/252 = 36 - 64/252 = -28/252 - After reducing the fraction, the answer is -1/9
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