Subtract 12/20 from 24/9
1st number: 2 6/9, 2nd number: 12/20
24/9 - 12/20 is 31/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 9 × 20 = 180,
24/9 = 24 × 20/9 × 20 = 480/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
12/20 = 12 × 9/20 × 9 = 108/180 - Subtract the two like fractions:
480/180 - 108/180 = 480 - 108/180 = 372/180 - After reducing the fraction, the answer is 31/15
- In mixed form: 21/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/9-12/20 24/9-24/20 24/18-12/20 24/9-12/40 72/9-12/20 24/9-36/20 24/27-12/20 24/9-12/60 24/9-60/20 24/45-12/20 24/9-84/20 24/63-12/20