Subtract 63/98 from 81/28
1st number: 2 25/28, 2nd number: 63/98
81/28 - 63/98 is 9/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 98 is 196
Next, find the equivalent fraction of both fractional numbers with denominator 196 - For the 1st fraction, since 28 × 7 = 196,
81/28 = 81 × 7/28 × 7 = 567/196 - Likewise, for the 2nd fraction, since 98 × 2 = 196,
63/98 = 63 × 2/98 × 2 = 126/196 - Subtract the two like fractions:
567/196 - 126/196 = 567 - 126/196 = 441/196 - After reducing the fraction, the answer is 9/4
- In mixed form: 21/4
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