Subtract 7/5 from 40/98
1st number: 40/98, 2nd number: 1 2/5
40/98 - 7/5 is -243/245.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 5 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 98 × 5 = 490,
40/98 = 40 × 5/98 × 5 = 200/490 - Likewise, for the 2nd fraction, since 5 × 98 = 490,
7/5 = 7 × 98/5 × 98 = 686/490 - Subtract the two like fractions:
200/490 - 686/490 = 200 - 686/490 = -486/490 - After reducing the fraction, the answer is -243/245
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