Subtract 15/16 from 70/84
70/84 - 15/16 is -5/48.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 16 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 84 × 4 = 336,
70/84 = 70 × 4/84 × 4 = 280/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
15/16 = 15 × 21/16 × 21 = 315/336 - Subtract the two like fractions:
280/336 - 315/336 = 280 - 315/336 = -35/336 - After reducing the fraction, the answer is -5/48
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