Subtract 2/80 from 25/20
1st number: 1 5/20, 2nd number: 2/80
25/20 - 2/80 is 49/40.
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,
2/80 = 2 × 1/80 × 1 = 2/80 - Subtract the two like fractions:
100/80 - 2/80 = 100 - 2/80 = 98/80 - After reducing the fraction, the answer is 49/40
- In mixed form: 19/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/20-2/80 25/20-4/80 25/40-2/80 75/20-2/80 25/20-6/80 25/60-2/80 25/20-10/80 25/20-14/80