Subtract 81/28 from 6/84
1st number: 6/84, 2nd number: 2 25/28
6/84 - 81/28 is -79/28.
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,
6/84 = 6 × 1/84 × 1 = 6/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
81/28 = 81 × 3/28 × 3 = 243/84 - Subtract the two like fractions:
6/84 - 243/84 = 6 - 243/84 = -237/84 - After reducing the fraction, the answer is -79/28
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