Subtract 12/54 from 75/42
1st number: 1 33/42, 2nd number: 12/54
75/42 - 12/54 is 197/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 42 × 9 = 378,
75/42 = 75 × 9/42 × 9 = 675/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
12/54 = 12 × 7/54 × 7 = 84/378 - Subtract the two like fractions:
675/378 - 84/378 = 675 - 84/378 = 591/378 - After reducing the fraction, the answer is 197/126
- In mixed form: 171/126
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