Subtract 45/30 from 20/56
1st number: 20/56, 2nd number: 1 15/30
20/56 - 45/30 is -8/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 30 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 56 × 15 = 840,
20/56 = 20 × 15/56 × 15 = 300/840 - Likewise, for the 2nd fraction, since 30 × 28 = 840,
45/30 = 45 × 28/30 × 28 = 1260/840 - Subtract the two like fractions:
300/840 - 1260/840 = 300 - 1260/840 = -960/840 - After reducing the fraction, the answer is -8/7
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