Subtract 15/45 from 28/54
28/54 - 15/45 is 5/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 45 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
28/54 = 28 × 5/54 × 5 = 140/270 - Likewise, for the 2nd fraction, since 45 × 6 = 270,
15/45 = 15 × 6/45 × 6 = 90/270 - Subtract the two like fractions:
140/270 - 90/270 = 140 - 90/270 = 50/270 - After reducing the fraction, the answer is 5/27
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