Subtract 56/15 from 75/45
1st number: 1 30/45, 2nd number: 3 11/15
75/45 - 56/15 is -31/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 15 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 45 × 1 = 45,
75/45 = 75 × 1/45 × 1 = 75/45 - Likewise, for the 2nd fraction, since 15 × 3 = 45,
56/15 = 56 × 3/15 × 3 = 168/45 - Subtract the two like fractions:
75/45 - 168/45 = 75 - 168/45 = -93/45 - After reducing the fraction, the answer is -31/15
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