Subtract 27/18 from 70/54
1st number: 1 16/54, 2nd number: 1 9/18
70/54 - 27/18 is -11/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 18 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 54 × 1 = 54,
70/54 = 70 × 1/54 × 1 = 70/54 - Likewise, for the 2nd fraction, since 18 × 3 = 54,
27/18 = 27 × 3/18 × 3 = 81/54 - Subtract the two like fractions:
70/54 - 81/54 = 70 - 81/54 = -11/54
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