Subtract 63/56 from 40/49
1st number: 40/49, 2nd number: 1 7/56
40/49 - 63/56 is -121/392.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 56 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 49 × 8 = 392,
40/49 = 40 × 8/49 × 8 = 320/392 - Likewise, for the 2nd fraction, since 56 × 7 = 392,
63/56 = 63 × 7/56 × 7 = 441/392 - Subtract the two like fractions:
320/392 - 441/392 = 320 - 441/392 = -121/392
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