Subtract 30/54 from 56/42
1st number: 1 14/42, 2nd number: 30/54
56/42 - 30/54 is 7/9.
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,
30/54 = 30 × 7/54 × 7 = 210/378 - Subtract the two like fractions:
504/378 - 210/378 = 504 - 210/378 = 294/378 - After reducing the fraction, the answer is 7/9
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