Subtract 9/5 from 12/3
1st number: 4 0/3, 2nd number: 1 4/5
12/3 - 9/5 is 11/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 5 is 15
Next, find the equivalent fraction of both fractional numbers with denominator 15 - For the 1st fraction, since 3 × 5 = 15,
12/3 = 12 × 5/3 × 5 = 60/15 - Likewise, for the 2nd fraction, since 5 × 3 = 15,
9/5 = 9 × 3/5 × 3 = 27/15 - Subtract the two like fractions:
60/15 - 27/15 = 60 - 27/15 = 33/15 - After reducing the fraction, the answer is 11/5
- In mixed form: 21/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/3-9/5 12/3-18/5 12/6-9/5 12/3-9/10 36/3-9/5 12/3-27/5 12/9-9/5 12/3-9/15 60/3-9/5 12/3-45/5 12/15-9/5 12/3-9/25 84/3-9/5 12/3-63/5 12/21-9/5 12/3-9/35