Subtract 18/81 from 24/2
1st number: 12 0/2, 2nd number: 18/81
24/2 - 18/81 is 106/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 81 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 2 × 81 = 162,
24/2 = 24 × 81/2 × 81 = 1944/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
18/81 = 18 × 2/81 × 2 = 36/162 - Subtract the two like fractions:
1944/162 - 36/162 = 1944 - 36/162 = 1908/162 - After reducing the fraction, the answer is 106/9
- In mixed form: 117/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/2-18/81 24/2-36/81 24/4-18/81 72/2-18/81 24/2-54/81 24/6-18/81 24/2-90/81 24/10-18/81 24/14-18/81