Subtract 35/20 from 81/8
1st number: 10 1/8, 2nd number: 1 15/20
81/8 - 35/20 is 67/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 20 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
81/8 = 81 × 5/8 × 5 = 405/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
35/20 = 35 × 2/20 × 2 = 70/40 - Subtract the two like fractions:
405/40 - 70/40 = 405 - 70/40 = 335/40 - After reducing the fraction, the answer is 67/8
- In mixed form: 83/8
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