Subtract 30/90 from 56/18
1st number: 3 2/18, 2nd number: 30/90
56/18 - 30/90 is 25/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
56/18 = 56 × 5/18 × 5 = 280/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
30/90 = 30 × 1/90 × 1 = 30/90 - Subtract the two like fractions:
280/90 - 30/90 = 280 - 30/90 = 250/90 - After reducing the fraction, the answer is 25/9
- In mixed form: 27/9
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