Subtract 54/15 from 18/75
1st number: 18/75, 2nd number: 3 9/15
18/75 - 54/15 is -84/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 15 is 75
Next, find the equivalent fraction of both fractional numbers with denominator 75 - For the 1st fraction, since 75 × 1 = 75,
18/75 = 18 × 1/75 × 1 = 18/75 - Likewise, for the 2nd fraction, since 15 × 5 = 75,
54/15 = 54 × 5/15 × 5 = 270/75 - Subtract the two like fractions:
18/75 - 270/75 = 18 - 270/75 = -252/75 - After reducing the fraction, the answer is -84/25
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