Subtract 18/10 from 81/36
1st number: 2 9/36, 2nd number: 1 8/10
81/36 - 18/10 is 9/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 10 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
81/36 = 81 × 5/36 × 5 = 405/180 - Likewise, for the 2nd fraction, since 10 × 18 = 180,
18/10 = 18 × 18/10 × 18 = 324/180 - Subtract the two like fractions:
405/180 - 324/180 = 405 - 324/180 = 81/180 - After reducing the fraction, the answer is 9/20
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