Subtract 70/49 from 20/56
1st number: 20/56, 2nd number: 1 21/49
20/56 - 70/49 is -15/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 49 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 56 × 7 = 392,
20/56 = 20 × 7/56 × 7 = 140/392 - Likewise, for the 2nd fraction, since 49 × 8 = 392,
70/49 = 70 × 8/49 × 8 = 560/392 - Subtract the two like fractions:
140/392 - 560/392 = 140 - 560/392 = -420/392 - After reducing the fraction, the answer is -15/14
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