Subtract 98/15 from 7/40
1st number: 7/40, 2nd number: 6 8/15
7/40 - 98/15 is -763/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 15 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
7/40 = 7 × 3/40 × 3 = 21/120 - Likewise, for the 2nd fraction, since 15 × 8 = 120,
98/15 = 98 × 8/15 × 8 = 784/120 - Subtract the two like fractions:
21/120 - 784/120 = 21 - 784/120 = -763/120
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