Subtract 25/12 from 80/50
1st number: 1 30/50, 2nd number: 2 1/12
80/50 - 25/12 is -29/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 12 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 50 × 6 = 300,
80/50 = 80 × 6/50 × 6 = 480/300 - Likewise, for the 2nd fraction, since 12 × 25 = 300,
25/12 = 25 × 25/12 × 25 = 625/300 - Subtract the two like fractions:
480/300 - 625/300 = 480 - 625/300 = -145/300 - After reducing the fraction, the answer is -29/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/50-50/12 80/50-25/24 80/50-75/12 80/50-25/36 80/50-25/60 80/50-25/84