Subtract 20/56 from 45/49
45/49 - 20/56 is 55/98.
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,
45/49 = 45 × 8/49 × 8 = 360/392 - Likewise, for the 2nd fraction, since 56 × 7 = 392,
20/56 = 20 × 7/56 × 7 = 140/392 - Subtract the two like fractions:
360/392 - 140/392 = 360 - 140/392 = 220/392 - After reducing the fraction, the answer is 55/98
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