Subtract 81/4 from 42/98
1st number: 42/98, 2nd number: 20 1/4
42/98 - 81/4 is -555/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 4 is 196
Next, find the equivalent fraction of both fractional numbers with denominator 196 - For the 1st fraction, since 98 × 2 = 196,
42/98 = 42 × 2/98 × 2 = 84/196 - Likewise, for the 2nd fraction, since 4 × 49 = 196,
81/4 = 81 × 49/4 × 49 = 3969/196 - Subtract the two like fractions:
84/196 - 3969/196 = 84 - 3969/196 = -3885/196 - After reducing the fraction, the answer is -555/28
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