Subtract 18/84 from 15/16
15/16 - 18/84 is 81/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 84 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 16 × 21 = 336,
15/16 = 15 × 21/16 × 21 = 315/336 - Likewise, for the 2nd fraction, since 84 × 4 = 336,
18/84 = 18 × 4/84 × 4 = 72/336 - Subtract the two like fractions:
315/336 - 72/336 = 315 - 72/336 = 243/336 - After reducing the fraction, the answer is 81/112
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