Subtract 70/81 from 14/24
14/24 - 70/81 is -91/324.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 81 is 648
Next, find the equivalent fraction of both fractional numbers with denominator 648 - For the 1st fraction, since 24 × 27 = 648,
14/24 = 14 × 27/24 × 27 = 378/648 - Likewise, for the 2nd fraction, since 81 × 8 = 648,
70/81 = 70 × 8/81 × 8 = 560/648 - Subtract the two like fractions:
378/648 - 560/648 = 378 - 560/648 = -182/648 - After reducing the fraction, the answer is -91/324
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/24-70/81 14/48-70/81 42/24-70/81 14/72-70/81 70/24-70/81 98/24-70/81