Subtract 42/49 from 6/8
6/8 - 42/49 is -3/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 49 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 8 × 49 = 392,
6/8 = 6 × 49/8 × 49 = 294/392 - Likewise, for the 2nd fraction, since 49 × 8 = 392,
42/49 = 42 × 8/49 × 8 = 336/392 - Subtract the two like fractions:
294/392 - 336/392 = 294 - 336/392 = -42/392 - After reducing the fraction, the answer is -3/28
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