Subtract 7/90 from 20/9
1st number: 2 2/9, 2nd number: 7/90
20/9 - 7/90 is 193/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
20/9 = 20 × 10/9 × 10 = 200/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
7/90 = 7 × 1/90 × 1 = 7/90 - Subtract the two like fractions:
200/90 - 7/90 = 200 - 7/90 = 193/90 - In mixed form: 213/90
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