Subtract 21/24 from 7/98
7/98 - 21/24 is -45/56.
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,
7/98 = 7 × 12/98 × 12 = 84/1176 - Likewise, for the 2nd fraction, since 24 × 49 = 1176,
21/24 = 21 × 49/24 × 49 = 1029/1176 - Subtract the two like fractions:
84/1176 - 1029/1176 = 84 - 1029/1176 = -945/1176 - After reducing the fraction, the answer is -45/56
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