Subtract 15/54 from 56/42
1st number: 1 14/42, 2nd number: 15/54
56/42 - 15/54 is 19/18.
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,
56/42 = 56 × 9/42 × 9 = 504/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
15/54 = 15 × 7/54 × 7 = 105/378 - Subtract the two like fractions:
504/378 - 105/378 = 504 - 105/378 = 399/378 - After reducing the fraction, the answer is 19/18
- In mixed form: 11/18
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