Subtract 4/16 from 21/20
1st number: 1 1/20, 2nd number: 4/16
21/20 - 4/16 is 4/5.
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,
21/20 = 21 × 4/20 × 4 = 84/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
4/16 = 4 × 5/16 × 5 = 20/80 - Subtract the two like fractions:
84/80 - 20/80 = 84 - 20/80 = 64/80 - After reducing the fraction, the answer is 4/5
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