Subtract 70/20 from 56/80
1st number: 56/80, 2nd number: 3 10/20
56/80 - 70/20 is -14/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 20 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
56/80 = 56 × 1/80 × 1 = 56/80 - Likewise, for the 2nd fraction, since 20 × 4 = 80,
70/20 = 70 × 4/20 × 4 = 280/80 - Subtract the two like fractions:
56/80 - 280/80 = 56 - 280/80 = -224/80 - After reducing the fraction, the answer is -14/5
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