Subtract 54/32 from 15/21
1st number: 15/21, 2nd number: 1 22/32
15/21 - 54/32 is -109/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 32 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 21 × 32 = 672,
15/21 = 15 × 32/21 × 32 = 480/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
54/32 = 54 × 21/32 × 21 = 1134/672 - Subtract the two like fractions:
480/672 - 1134/672 = 480 - 1134/672 = -654/672 - After reducing the fraction, the answer is -109/112
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