Subtract 15/40 from 70/56
1st number: 1 14/56, 2nd number: 15/40
70/56 - 15/40 is 7/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
70/56 = 70 × 5/56 × 5 = 350/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
15/40 = 15 × 7/40 × 7 = 105/280 - Subtract the two like fractions:
350/280 - 105/280 = 350 - 105/280 = 245/280 - After reducing the fraction, the answer is 7/8
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