Subtract 15/35 from 6/81
6/81 - 15/35 is -67/189.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 35 is 2835
Next, find the equivalent fraction of both fractional numbers with denominator 2835 - For the 1st fraction, since 81 × 35 = 2835,
6/81 = 6 × 35/81 × 35 = 210/2835 - Likewise, for the 2nd fraction, since 35 × 81 = 2835,
15/35 = 15 × 81/35 × 81 = 1215/2835 - Subtract the two like fractions:
210/2835 - 1215/2835 = 210 - 1215/2835 = -1005/2835 - After reducing the fraction, the answer is -67/189
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