Subtract 32/42 from 3/28
3/28 - 32/42 is -55/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
3/28 = 3 × 3/28 × 3 = 9/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
32/42 = 32 × 2/42 × 2 = 64/84 - Subtract the two like fractions:
9/84 - 64/84 = 9 - 64/84 = -55/84
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