Subtract 20/25 from 20/4
1st number: 5 0/4, 2nd number: 20/25
20/4 - 20/25 is 21/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 25 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 4 × 25 = 100,
20/4 = 20 × 25/4 × 25 = 500/100 - Likewise, for the 2nd fraction, since 25 × 4 = 100,
20/25 = 20 × 4/25 × 4 = 80/100 - Subtract the two like fractions:
500/100 - 80/100 = 500 - 80/100 = 420/100 - After reducing the fraction, the answer is 21/5
- In mixed form: 41/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/4-20/25 20/4-40/25 20/8-20/25 20/4-20/50 60/4-20/25 20/4-60/25 20/12-20/25 20/4-20/75 20/28-20/25