Subtract 18/63 from 40/49
40/49 - 18/63 is 26/49.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 63 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 49 × 9 = 441,
40/49 = 40 × 9/49 × 9 = 360/441 - Likewise, for the 2nd fraction, since 63 × 7 = 441,
18/63 = 18 × 7/63 × 7 = 126/441 - Subtract the two like fractions:
360/441 - 126/441 = 360 - 126/441 = 234/441 - After reducing the fraction, the answer is 26/49
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