Subtract 18/30 from 54/15
1st number: 3 9/15, 2nd number: 18/30
54/15 - 18/30 is 3/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
54/15 = 54 × 2/15 × 2 = 108/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
18/30 = 18 × 1/30 × 1 = 18/30 - Subtract the two like fractions:
108/30 - 18/30 = 108 - 18/30 = 90/30 - After reducing the fraction, the answer is 3/1
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