Subtract 30/27 from 90/5
1st number: 18 0/5, 2nd number: 1 3/27
90/5 - 30/27 is 152/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 5 × 27 = 135,
90/5 = 90 × 27/5 × 27 = 2430/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
30/27 = 30 × 5/27 × 5 = 150/135 - Subtract the two like fractions:
2430/135 - 150/135 = 2430 - 150/135 = 2280/135 - After reducing the fraction, the answer is 152/9
- In mixed form: 168/9
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