Subtract 4/10 from 20/4
1st number: 5 0/4, 2nd number: 4/10
20/4 - 4/10 is 23/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 10 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
20/4 = 20 × 5/4 × 5 = 100/20 - Likewise, for the 2nd fraction, since 10 × 2 = 20,
4/10 = 4 × 2/10 × 2 = 8/20 - Subtract the two like fractions:
100/20 - 8/20 = 100 - 8/20 = 92/20 - After reducing the fraction, the answer is 23/5
- In mixed form: 43/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/4-4/10 20/4-8/10 20/8-4/10 20/4-4/20 60/4-4/10 20/4-12/10 20/12-4/10 20/4-4/30 20/4-20/10 20/4-4/50 20/4-28/10 20/28-4/10 20/4-4/70