Subtract 20/16 from 1/5
1st number: 1/5, 2nd number: 1 4/16
1/5 - 20/16 is -21/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 5 × 16 = 80,
1/5 = 1 × 16/5 × 16 = 16/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
20/16 = 20 × 5/16 × 5 = 100/80 - Subtract the two like fractions:
16/80 - 100/80 = 16 - 100/80 = -84/80 - After reducing the fraction, the answer is -21/20
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