Subtract 27/21 from 9/16
1st number: 9/16, 2nd number: 1 6/21
9/16 - 27/21 is -81/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 21 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 16 × 21 = 336,
9/16 = 9 × 21/16 × 21 = 189/336 - Likewise, for the 2nd fraction, since 21 × 16 = 336,
27/21 = 27 × 16/21 × 16 = 432/336 - Subtract the two like fractions:
189/336 - 432/336 = 189 - 432/336 = -243/336 - After reducing the fraction, the answer is -81/112
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