Subtract 42/90 from 56/3
1st number: 18 2/3, 2nd number: 42/90
56/3 - 42/90 is 91/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 3 × 30 = 90,
56/3 = 56 × 30/3 × 30 = 1680/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
42/90 = 42 × 1/90 × 1 = 42/90 - Subtract the two like fractions:
1680/90 - 42/90 = 1680 - 42/90 = 1638/90 - After reducing the fraction, the answer is 91/5
- In mixed form: 181/5
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