Subtract 49/32 from 4/21
1st number: 4/21, 2nd number: 1 17/32
4/21 - 49/32 is -901/672.
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,
49/32 = 49 × 21/32 × 21 = 1029/672 - Subtract the two like fractions:
128/672 - 1029/672 = 128 - 1029/672 = -901/672
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