Subtract 90/28 from 18/98
1st number: 18/98, 2nd number: 3 6/28
18/98 - 90/28 is -297/98.
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,
18/98 = 18 × 2/98 × 2 = 36/196 - Likewise, for the 2nd fraction, since 28 × 7 = 196,
90/28 = 90 × 7/28 × 7 = 630/196 - Subtract the two like fractions:
36/196 - 630/196 = 36 - 630/196 = -594/196 - After reducing the fraction, the answer is -297/98
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