Subtract 27/54 from 50/42
1st number: 1 8/42, 2nd number: 27/54
50/42 - 27/54 is 29/42.
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,
50/42 = 50 × 9/42 × 9 = 450/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
27/54 = 27 × 7/54 × 7 = 189/378 - Subtract the two like fractions:
450/378 - 189/378 = 450 - 189/378 = 261/378 - After reducing the fraction, the answer is 29/42
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