Subtract 54/16 from 18/20
1st number: 18/20, 2nd number: 3 6/16
18/20 - 54/16 is -99/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 20 × 4 = 80,
18/20 = 18 × 4/20 × 4 = 72/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
54/16 = 54 × 5/16 × 5 = 270/80 - Subtract the two like fractions:
72/80 - 270/80 = 72 - 270/80 = -198/80 - After reducing the fraction, the answer is -99/40
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