Subtract 2/10 from 27/20
1st number: 1 7/20, 2nd number: 2/10
27/20 - 2/10 is 23/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 10 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
27/20 = 27 × 1/20 × 1 = 27/20 - Likewise, for the 2nd fraction, since 10 × 2 = 20,
2/10 = 2 × 2/10 × 2 = 4/20 - Subtract the two like fractions:
27/20 - 4/20 = 27 - 4/20 = 23/20 - In mixed form: 13/20
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