Subtract 12/81 from 14/35
14/35 - 12/81 is 34/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 81 is 2835
Next, find the equivalent fraction of both fractional numbers with denominator 2835 - For the 1st fraction, since 35 × 81 = 2835,
14/35 = 14 × 81/35 × 81 = 1134/2835 - Likewise, for the 2nd fraction, since 81 × 35 = 2835,
12/81 = 12 × 35/81 × 35 = 420/2835 - Subtract the two like fractions:
1134/2835 - 420/2835 = 1134 - 420/2835 = 714/2835 - After reducing the fraction, the answer is 34/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/35-12/81 14/35-24/81 14/70-12/81 42/35-12/81 14/35-36/81 70/35-12/81 14/35-60/81 98/35-12/81 14/35-84/81