Subtract 4/5 from 90/27
1st number: 3 9/27, 2nd number: 4/5
90/27 - 4/5 is 38/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 5 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 27 × 5 = 135,
90/27 = 90 × 5/27 × 5 = 450/135 - Likewise, for the 2nd fraction, since 5 × 27 = 135,
4/5 = 4 × 27/5 × 27 = 108/135 - Subtract the two like fractions:
450/135 - 108/135 = 450 - 108/135 = 342/135 - After reducing the fraction, the answer is 38/15
- In mixed form: 28/15
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