Subtract 1/18 from 90/9
1st number: 10 0/9, 2nd number: 1/18
90/9 - 1/18 is 179/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 9 × 2 = 18,
90/9 = 90 × 2/9 × 2 = 180/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
1/18 = 1 × 1/18 × 1 = 1/18 - Subtract the two like fractions:
180/18 - 1/18 = 180 - 1/18 = 179/18 - In mixed form: 917/18
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