Subtract 18/36 from 90/15
1st number: 6 0/15, 2nd number: 18/36
90/15 - 18/36 is 11/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 15 × 12 = 180,
90/15 = 90 × 12/15 × 12 = 1080/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
18/36 = 18 × 5/36 × 5 = 90/180 - Subtract the two like fractions:
1080/180 - 90/180 = 1080 - 90/180 = 990/180 - After reducing the fraction, the answer is 11/2
- In mixed form: 51/2
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