Subtract 81/30 from 1/9
1st number: 1/9, 2nd number: 2 21/30
1/9 - 81/30 is -233/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
1/9 = 1 × 10/9 × 10 = 10/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
81/30 = 81 × 3/30 × 3 = 243/90 - Subtract the two like fractions:
10/90 - 243/90 = 10 - 243/90 = -233/90
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