Subtract 54/32 from 8/21
1st number: 8/21, 2nd number: 1 22/32
8/21 - 54/32 is -439/336.
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,
8/21 = 8 × 32/21 × 32 = 256/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
54/32 = 54 × 21/32 × 21 = 1134/672 - Subtract the two like fractions:
256/672 - 1134/672 = 256 - 1134/672 = -878/672 - After reducing the fraction, the answer is -439/336
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