Subtract 12/7 from 40/98
1st number: 40/98, 2nd number: 1 5/7
40/98 - 12/7 is -64/49.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 7 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 7 × 14 = 98,
12/7 = 12 × 14/7 × 14 = 168/98 - Subtract the two like fractions:
40/98 - 168/98 = 40 - 168/98 = -128/98 - After reducing the fraction, the answer is -64/49
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