Subtract 18/14 from 21/98
1st number: 21/98, 2nd number: 1 4/14
21/98 - 18/14 is -15/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 14 is 98
Next, find the equivalent fraction of both fractional numbers with denominator 98 - For the 1st fraction, since 98 × 1 = 98,
21/98 = 21 × 1/98 × 1 = 21/98 - Likewise, for the 2nd fraction, since 14 × 7 = 98,
18/14 = 18 × 7/14 × 7 = 126/98 - Subtract the two like fractions:
21/98 - 126/98 = 21 - 126/98 = -105/98 - After reducing the fraction, the answer is -15/14
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