Subtract 15/5 from 2/81
1st number: 2/81, 2nd number: 3 0/5
2/81 - 15/5 is -241/81.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 5 is 405
Next, find the equivalent fraction of both fractional numbers with denominator 405 - For the 1st fraction, since 81 × 5 = 405,
2/81 = 2 × 5/81 × 5 = 10/405 - Likewise, for the 2nd fraction, since 5 × 81 = 405,
15/5 = 15 × 81/5 × 81 = 1215/405 - Subtract the two like fractions:
10/405 - 1215/405 = 10 - 1215/405 = -1205/405 - After reducing the fraction, the answer is -241/81
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