Subtract 20/6 from 45/54
1st number: 45/54, 2nd number: 3 2/6
45/54 - 20/6 is -5/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 6 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 54 × 1 = 54,
45/54 = 45 × 1/54 × 1 = 45/54 - Likewise, for the 2nd fraction, since 6 × 9 = 54,
20/6 = 20 × 9/6 × 9 = 180/54 - Subtract the two like fractions:
45/54 - 180/54 = 45 - 180/54 = -135/54 - After reducing the fraction, the answer is -5/2
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