Subtract 81/28 from 84/98
1st number: 84/98, 2nd number: 2 25/28
84/98 - 81/28 is -57/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 28 is 196
Next, find the equivalent fraction of both fractional numbers with denominator 196 - For the 1st fraction, since 98 × 2 = 196,
84/98 = 84 × 2/98 × 2 = 168/196 - Likewise, for the 2nd fraction, since 28 × 7 = 196,
81/28 = 81 × 7/28 × 7 = 567/196 - Subtract the two like fractions:
168/196 - 567/196 = 168 - 567/196 = -399/196 - After reducing the fraction, the answer is -57/28
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