Subtract 27/54 from 90/15
1st number: 6 0/15, 2nd number: 27/54
90/15 - 27/54 is 11/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 15 × 18 = 270,
90/15 = 90 × 18/15 × 18 = 1620/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
27/54 = 27 × 5/54 × 5 = 135/270 - Subtract the two like fractions:
1620/270 - 135/270 = 1620 - 135/270 = 1485/270 - After reducing the fraction, the answer is 11/2
- In mixed form: 51/2
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