Subtract 28/54 from 18/30
18/30 - 28/54 is 11/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 30 × 9 = 270,
18/30 = 18 × 9/30 × 9 = 162/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
28/54 = 28 × 5/54 × 5 = 140/270 - Subtract the two like fractions:
162/270 - 140/270 = 162 - 140/270 = 22/270 - After reducing the fraction, the answer is 11/135
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