Subtract 3/18 from 45/27
1st number: 1 18/27, 2nd number: 3/18
45/27 - 3/18 is 3/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 18 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 27 × 2 = 54,
45/27 = 45 × 2/27 × 2 = 90/54 - Likewise, for the 2nd fraction, since 18 × 3 = 54,
3/18 = 3 × 3/18 × 3 = 9/54 - Subtract the two like fractions:
90/54 - 9/54 = 90 - 9/54 = 81/54 - After reducing the fraction, the answer is 3/2
- In mixed form: 11/2
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