Subtract 54/15 from 4/20
1st number: 4/20, 2nd number: 3 9/15
4/20 - 54/15 is -17/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
4/20 = 4 × 3/20 × 3 = 12/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
54/15 = 54 × 4/15 × 4 = 216/60 - Subtract the two like fractions:
12/60 - 216/60 = 12 - 216/60 = -204/60 - After reducing the fraction, the answer is -17/5
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