Subtract 5/35 from 12/81
12/81 - 5/35 is 1/189.
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,
12/81 = 12 × 35/81 × 35 = 420/2835 - Likewise, for the 2nd fraction, since 35 × 81 = 2835,
5/35 = 5 × 81/35 × 81 = 405/2835 - Subtract the two like fractions:
420/2835 - 405/2835 = 420 - 405/2835 = 15/2835 - After reducing the fraction, the answer is 1/189
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