Subtract 70/49 from 20/8
1st number: 2 4/8, 2nd number: 1 21/49
20/8 - 70/49 is 15/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 49 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 8 × 49 = 392,
20/8 = 20 × 49/8 × 49 = 980/392 - Likewise, for the 2nd fraction, since 49 × 8 = 392,
70/49 = 70 × 8/49 × 8 = 560/392 - Subtract the two like fractions:
980/392 - 560/392 = 980 - 560/392 = 420/392 - After reducing the fraction, the answer is 15/14
- In mixed form: 11/14
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