Subtract 30/10 from 81/9
1st number: 9 0/9, 2nd number: 3 0/10
81/9 - 30/10 is 6/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
81/9 = 81 × 10/9 × 10 = 810/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
30/10 = 30 × 9/10 × 9 = 270/90 - Subtract the two like fractions:
810/90 - 270/90 = 810 - 270/90 = 540/90 - After reducing the fraction, the answer is 6/1
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