Subtract 54/40 from 18/60
1st number: 18/60, 2nd number: 1 14/40
18/60 - 54/40 is -21/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 60 × 2 = 120,
18/60 = 18 × 2/60 × 2 = 36/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
54/40 = 54 × 3/40 × 3 = 162/120 - Subtract the two like fractions:
36/120 - 162/120 = 36 - 162/120 = -126/120 - After reducing the fraction, the answer is -21/20
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