Subtract 40/28 from 5/84
1st number: 5/84, 2nd number: 1 12/28
5/84 - 40/28 is -115/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
5/84 = 5 × 1/84 × 1 = 5/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
40/28 = 40 × 3/28 × 3 = 120/84 - Subtract the two like fractions:
5/84 - 120/84 = 5 - 120/84 = -115/84
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