Subtract 8/81 from 15/2
1st number: 7 1/2, 2nd number: 8/81
15/2 - 8/81 is 1199/162.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 81 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 2 × 81 = 162,
15/2 = 15 × 81/2 × 81 = 1215/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
8/81 = 8 × 2/81 × 2 = 16/162 - Subtract the two like fractions:
1215/162 - 16/162 = 1215 - 16/162 = 1199/162 - In mixed form: 765/162
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