Subtract 81/9 from 72/2
1st number: 36 0/2, 2nd number: 9 0/9
72/2 - 81/9 is 27/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 2 × 9 = 18,
72/2 = 72 × 9/2 × 9 = 648/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
81/9 = 81 × 2/9 × 2 = 162/18 - Subtract the two like fractions:
648/18 - 162/18 = 648 - 162/18 = 486/18 - After reducing the fraction, the answer is 27/1
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