Subtract 4/10 from 75/20
1st number: 3 15/20, 2nd number: 4/10
75/20 - 4/10 is 67/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 10 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 10 × 2 = 20,
4/10 = 4 × 2/10 × 2 = 8/20 - Subtract the two like fractions:
75/20 - 8/20 = 75 - 8/20 = 67/20 - In mixed form: 37/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/20-8/10 75/40-4/10 75/20-4/20 75/20-12/10 75/60-4/10 75/20-4/30 75/20-20/10 75/20-4/50 75/20-28/10 75/20-4/70