Subtract 15/56 from 70/20
1st number: 3 10/20, 2nd number: 15/56
70/20 - 15/56 is 181/56.
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,
70/20 = 70 × 14/20 × 14 = 980/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
15/56 = 15 × 5/56 × 5 = 75/280 - Subtract the two like fractions:
980/280 - 75/280 = 980 - 75/280 = 905/280 - After reducing the fraction, the answer is 181/56
- In mixed form: 313/56
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