Subtract 25/80 from 2/4
2/4 - 25/80 is 3/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 4 × 20 = 80,
2/4 = 2 × 20/4 × 20 = 40/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
25/80 = 25 × 1/80 × 1 = 25/80 - Subtract the two like fractions:
40/80 - 25/80 = 40 - 25/80 = 15/80 - After reducing the fraction, the answer is 3/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/4-50/80 2/8-25/80 6/4-25/80 2/4-75/80 2/12-25/80 10/4-25/80 2/20-25/80 14/4-25/80 2/28-25/80