Subtract 18/24 from 81/18
1st number: 4 9/18, 2nd number: 18/24
81/18 - 18/24 is 15/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 24 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
81/18 = 81 × 4/18 × 4 = 324/72 - Likewise, for the 2nd fraction, since 24 × 3 = 72,
18/24 = 18 × 3/24 × 3 = 54/72 - Subtract the two like fractions:
324/72 - 54/72 = 324 - 54/72 = 270/72 - After reducing the fraction, the answer is 15/4
- In mixed form: 33/4
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