Subtract 40/49 from 40/63
40/63 - 40/49 is -80/441.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 49 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 63 × 7 = 441,
40/63 = 40 × 7/63 × 7 = 280/441 - Likewise, for the 2nd fraction, since 49 × 9 = 441,
40/49 = 40 × 9/49 × 9 = 360/441 - Subtract the two like fractions:
280/441 - 360/441 = 280 - 360/441 = -80/441
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