Subtract 42/54 from 20/4
1st number: 5 0/4, 2nd number: 42/54
20/4 - 42/54 is 38/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 54 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 4 × 27 = 108,
20/4 = 20 × 27/4 × 27 = 540/108 - Likewise, for the 2nd fraction, since 54 × 2 = 108,
42/54 = 42 × 2/54 × 2 = 84/108 - Subtract the two like fractions:
540/108 - 84/108 = 540 - 84/108 = 456/108 - After reducing the fraction, the answer is 38/9
- In mixed form: 42/9
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