Subtract 35/20 from 81/10
1st number: 8 1/10, 2nd number: 1 15/20
81/10 - 35/20 is 127/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 10 × 2 = 20,
81/10 = 81 × 2/10 × 2 = 162/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
35/20 = 35 × 1/20 × 1 = 35/20 - Subtract the two like fractions:
162/20 - 35/20 = 162 - 35/20 = 127/20 - In mixed form: 67/20
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