Subtract 12/5 from 75/20
1st number: 3 15/20, 2nd number: 2 2/5
75/20 - 12/5 is 27/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
75/20 = 75 × 1/20 × 1 = 75/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
12/5 = 12 × 4/5 × 4 = 48/20 - Subtract the two like fractions:
75/20 - 48/20 = 75 - 48/20 = 27/20 - In mixed form: 17/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/20-24/5 75/40-12/5 75/20-12/10 75/20-36/5 75/60-12/5 75/20-12/15 75/20-60/5 75/20-12/25 75/20-84/5 75/20-12/35