Subtract 6/80 from 25/20
1st number: 1 5/20, 2nd number: 6/80
25/20 - 6/80 is 47/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 20 × 4 = 80,
25/20 = 25 × 4/20 × 4 = 100/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
6/80 = 6 × 1/80 × 1 = 6/80 - Subtract the two like fractions:
100/80 - 6/80 = 100 - 6/80 = 94/80 - After reducing the fraction, the answer is 47/40
- In mixed form: 17/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/20-6/80 25/20-12/80 25/40-6/80 75/20-6/80 25/20-18/80 25/60-6/80 25/20-30/80 25/20-42/80