Subtract 2/15 from 81/2
1st number: 40 1/2, 2nd number: 2/15
81/2 - 2/15 is 1211/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 2 × 15 = 30,
81/2 = 81 × 15/2 × 15 = 1215/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
2/15 = 2 × 2/15 × 2 = 4/30 - Subtract the two like fractions:
1215/30 - 4/30 = 1215 - 4/30 = 1211/30 - In mixed form: 4011/30
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