Subtract 18/24 from 21/98
21/98 - 18/24 is -15/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 24 is 1176
Next, find the equivalent fraction of both fractional numbers with denominator 1176 - For the 1st fraction, since 98 × 12 = 1176,
21/98 = 21 × 12/98 × 12 = 252/1176 - Likewise, for the 2nd fraction, since 24 × 49 = 1176,
18/24 = 18 × 49/24 × 49 = 882/1176 - Subtract the two like fractions:
252/1176 - 882/1176 = 252 - 882/1176 = -630/1176 - After reducing the fraction, the answer is -15/28
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