Subtract 28/54 from 75/42
1st number: 1 33/42, 2nd number: 28/54
75/42 - 28/54 is 479/378.
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,
28/54 = 28 × 7/54 × 7 = 196/378 - Subtract the two like fractions:
675/378 - 196/378 = 675 - 196/378 = 479/378 - In mixed form: 1101/378
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