Subtract 9/12 from 10/5
1st number: 2 0/5, 2nd number: 9/12
10/5 - 9/12 is 5/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 5 × 12 = 60,
10/5 = 10 × 12/5 × 12 = 120/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
9/12 = 9 × 5/12 × 5 = 45/60 - Subtract the two like fractions:
120/60 - 45/60 = 120 - 45/60 = 75/60 - After reducing the fraction, the answer is 5/4
- In mixed form: 11/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/5-9/12 10/5-18/12 10/5-9/24 30/5-9/12 10/5-27/12 10/15-9/12 10/5-9/36 50/5-9/12 10/5-45/12 10/25-9/12 10/5-9/60 70/5-9/12 10/5-63/12 10/35-9/12 10/5-9/84