Subtract 3/20 from 27/12
1st number: 2 3/12, 2nd number: 3/20
27/12 - 3/20 is 21/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
27/12 = 27 × 5/12 × 5 = 135/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
3/20 = 3 × 3/20 × 3 = 9/60 - Subtract the two like fractions:
135/60 - 9/60 = 135 - 9/60 = 126/60 - After reducing the fraction, the answer is 21/10
- In mixed form: 21/10
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