Subtract 45/30 from 2/81
1st number: 2/81, 2nd number: 1 15/30
2/81 - 45/30 is -239/162.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 30 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 81 × 10 = 810,
2/81 = 2 × 10/81 × 10 = 20/810 - Likewise, for the 2nd fraction, since 30 × 27 = 810,
45/30 = 45 × 27/30 × 27 = 1215/810 - Subtract the two like fractions:
20/810 - 1215/810 = 20 - 1215/810 = -1195/810 - After reducing the fraction, the answer is -239/162
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