Subtract 24/20 from 27/9
1st number: 3 0/9, 2nd number: 1 4/20
27/9 - 24/20 is 9/5.
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,
27/9 = 27 × 20/9 × 20 = 540/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
24/20 = 24 × 9/20 × 9 = 216/180 - Subtract the two like fractions:
540/180 - 216/180 = 540 - 216/180 = 324/180 - After reducing the fraction, the answer is 9/5
- In mixed form: 14/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/9-24/20 27/9-48/20 27/18-24/20 27/9-24/40 81/9-24/20 27/9-72/20 27/9-24/60 27/45-24/20 27/63-24/20