Subtract 21/14 from 40/98
1st number: 40/98, 2nd number: 1 7/14
40/98 - 21/14 is -107/98.
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,
40/98 = 40 × 1/98 × 1 = 40/98 - Likewise, for the 2nd fraction, since 14 × 7 = 98,
21/14 = 21 × 7/14 × 7 = 147/98 - Subtract the two like fractions:
40/98 - 147/98 = 40 - 147/98 = -107/98
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