Subtract 18/12 from 90/10
1st number: 9 0/10, 2nd number: 1 6/12
90/10 - 18/12 is 15/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 10 × 6 = 60,
90/10 = 90 × 6/10 × 6 = 540/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
18/12 = 18 × 5/12 × 5 = 90/60 - Subtract the two like fractions:
540/60 - 90/60 = 540 - 90/60 = 450/60 - After reducing the fraction, the answer is 15/2
- In mixed form: 71/2
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