Subtract 28/56 from 45/20
1st number: 2 5/20, 2nd number: 28/56
45/20 - 28/56 is 7/4.
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,
45/20 = 45 × 14/20 × 14 = 630/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
28/56 = 28 × 5/56 × 5 = 140/280 - Subtract the two like fractions:
630/280 - 140/280 = 630 - 140/280 = 490/280 - After reducing the fraction, the answer is 7/4
- In mixed form: 13/4
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