Subtract 18/45 from 81/3
1st number: 27 0/3, 2nd number: 18/45
81/3 - 18/45 is 133/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 3 × 15 = 45,
81/3 = 81 × 15/3 × 15 = 1215/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
18/45 = 18 × 1/45 × 1 = 18/45 - Subtract the two like fractions:
1215/45 - 18/45 = 1215 - 18/45 = 1197/45 - After reducing the fraction, the answer is 133/5
- In mixed form: 263/5
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