Subtract 42/18 from 54/14
1st number: 3 12/14, 2nd number: 2 6/18
54/14 - 42/18 is 32/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 14 × 9 = 126,
54/14 = 54 × 9/14 × 9 = 486/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
42/18 = 42 × 7/18 × 7 = 294/126 - Subtract the two like fractions:
486/126 - 294/126 = 486 - 294/126 = 192/126 - After reducing the fraction, the answer is 32/21
- In mixed form: 111/21
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