Subtract 2/81 from 36/24
1st number: 1 12/24, 2nd number: 2/81
36/24 - 2/81 is 239/162.
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,
36/24 = 36 × 27/24 × 27 = 972/648 - Likewise, for the 2nd fraction, since 81 × 8 = 648,
2/81 = 2 × 8/81 × 8 = 16/648 - Subtract the two like fractions:
972/648 - 16/648 = 972 - 16/648 = 956/648 - After reducing the fraction, the answer is 239/162
- In mixed form: 177/162
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/24-2/81 36/24-4/81 36/48-2/81 36/24-6/81 36/72-2/81 36/24-10/81 36/24-14/81