Subtract 81/32 from 4/84
1st number: 4/84, 2nd number: 2 17/32
4/84 - 81/32 is -1669/672.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 32 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 84 × 8 = 672,
4/84 = 4 × 8/84 × 8 = 32/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
81/32 = 81 × 21/32 × 21 = 1701/672 - Subtract the two like fractions:
32/672 - 1701/672 = 32 - 1701/672 = -1669/672
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