Subtract 70/56 from 21/20
1st number: 1 1/20, 2nd number: 1 14/56
21/20 - 70/56 is -1/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 20 × 14 = 280,
21/20 = 21 × 14/20 × 14 = 294/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
70/56 = 70 × 5/56 × 5 = 350/280 - Subtract the two like fractions:
294/280 - 350/280 = 294 - 350/280 = -56/280 - After reducing the fraction, the answer is -1/5
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