Subtract 42/56 from 75/45
1st number: 1 30/45, 2nd number: 42/56
75/45 - 42/56 is 11/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 56 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 45 × 56 = 2520,
75/45 = 75 × 56/45 × 56 = 4200/2520 - Likewise, for the 2nd fraction, since 56 × 45 = 2520,
42/56 = 42 × 45/56 × 45 = 1890/2520 - Subtract the two like fractions:
4200/2520 - 1890/2520 = 4200 - 1890/2520 = 2310/2520 - After reducing the fraction, the answer is 11/12
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