Subtract 18/56 from 70/40
1st number: 1 30/40, 2nd number: 18/56
70/40 - 18/56 is 10/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
70/40 = 70 × 7/40 × 7 = 490/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
18/56 = 18 × 5/56 × 5 = 90/280 - Subtract the two like fractions:
490/280 - 90/280 = 490 - 90/280 = 400/280 - After reducing the fraction, the answer is 10/7
- In mixed form: 13/7
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