Subtract 42/98 from 3/8
3/8 - 42/98 is -3/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 98 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 8 × 49 = 392,
3/8 = 3 × 49/8 × 49 = 147/392 - Likewise, for the 2nd fraction, since 98 × 4 = 392,
42/98 = 42 × 4/98 × 4 = 168/392 - Subtract the two like fractions:
147/392 - 168/392 = 147 - 168/392 = -21/392 - After reducing the fraction, the answer is -3/56
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