Subtract 10/32 from 4/21
4/21 - 10/32 is -41/336.
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,
4/21 = 4 × 32/21 × 32 = 128/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
10/32 = 10 × 21/32 × 21 = 210/672 - Subtract the two like fractions:
128/672 - 210/672 = 128 - 210/672 = -82/672 - After reducing the fraction, the answer is -41/336
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