Subtract 42/54 from 20/6
1st number: 3 2/6, 2nd number: 42/54
20/6 - 42/54 is 23/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 54 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 6 × 9 = 54,
20/6 = 20 × 9/6 × 9 = 180/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
42/54 = 42 × 1/54 × 1 = 42/54 - Subtract the two like fractions:
180/54 - 42/54 = 180 - 42/54 = 138/54 - After reducing the fraction, the answer is 23/9
- In mixed form: 25/9
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