Subtract 8/36 from 81/30
1st number: 2 21/30, 2nd number: 8/36
81/30 - 8/36 is 223/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 30 × 6 = 180,
81/30 = 81 × 6/30 × 6 = 486/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
8/36 = 8 × 5/36 × 5 = 40/180 - Subtract the two like fractions:
486/180 - 40/180 = 486 - 40/180 = 446/180 - After reducing the fraction, the answer is 223/90
- In mixed form: 243/90
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