Subtract 3/81 from 14/70
14/70 - 3/81 is 22/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 81 is 5670
Next, find the equivalent fraction of both fractional numbers with denominator 5670 - For the 1st fraction, since 70 × 81 = 5670,
14/70 = 14 × 81/70 × 81 = 1134/5670 - Likewise, for the 2nd fraction, since 81 × 70 = 5670,
3/81 = 3 × 70/81 × 70 = 210/5670 - Subtract the two like fractions:
1134/5670 - 210/5670 = 1134 - 210/5670 = 924/5670 - After reducing the fraction, the answer is 22/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/70-3/81 14/70-6/81 42/70-3/81 14/70-9/81 14/70-15/81 98/70-3/81 14/70-21/81