Subtract 1/81 from 90/35
1st number: 2 20/35, 2nd number: 1/81
90/35 - 1/81 is 1451/567.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 81 is 2835
Next, find the equivalent fraction of both fractional numbers with denominator 2835 - For the 1st fraction, since 35 × 81 = 2835,
90/35 = 90 × 81/35 × 81 = 7290/2835 - Likewise, for the 2nd fraction, since 81 × 35 = 2835,
1/81 = 1 × 35/81 × 35 = 35/2835 - Subtract the two like fractions:
7290/2835 - 35/2835 = 7290 - 35/2835 = 7255/2835 - After reducing the fraction, the answer is 1451/567
- In mixed form: 2317/567
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