Subtract 16/84 from 8/12
8/12 - 16/84 is 10/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
8/12 = 8 × 7/12 × 7 = 56/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
16/84 = 16 × 1/84 × 1 = 16/84 - Subtract the two like fractions:
56/84 - 16/84 = 56 - 16/84 = 40/84 - After reducing the fraction, the answer is 10/21
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