Subtract 80/49 from 7/42
1st number: 7/42, 2nd number: 1 31/49
7/42 - 80/49 is -431/294.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 49 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 42 × 7 = 294,
7/42 = 7 × 7/42 × 7 = 49/294 - Likewise, for the 2nd fraction, since 49 × 6 = 294,
80/49 = 80 × 6/49 × 6 = 480/294 - Subtract the two like fractions:
49/294 - 480/294 = 49 - 480/294 = -431/294
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