Subtract 81/5 from 6/20
1st number: 6/20, 2nd number: 16 1/5
6/20 - 81/5 is -159/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
6/20 = 6 × 1/20 × 1 = 6/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
81/5 = 81 × 4/5 × 4 = 324/20 - Subtract the two like fractions:
6/20 - 324/20 = 6 - 324/20 = -318/20 - After reducing the fraction, the answer is -159/10
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