Subtract 2/10 from 14/81
14/81 - 2/10 is -11/405.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 10 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 81 × 10 = 810,
14/81 = 14 × 10/81 × 10 = 140/810 - Likewise, for the 2nd fraction, since 10 × 81 = 810,
2/10 = 2 × 81/10 × 81 = 162/810 - Subtract the two like fractions:
140/810 - 162/810 = 140 - 162/810 = -22/810 - After reducing the fraction, the answer is -11/405
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/81-2/10 14/81-4/10 14/81-2/20 42/81-2/10 14/81-6/10 14/81-2/30 70/81-2/10 14/81-2/50 98/81-2/10 14/81-14/10 14/81-2/70