Subtract 9/5 from 28/50
1st number: 28/50, 2nd number: 1 4/5
28/50 - 9/5 is -31/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 5 is 50
Next, find the equivalent fraction of both fractional numbers with denominator 50 - For the 1st fraction, since 50 × 1 = 50,
28/50 = 28 × 1/50 × 1 = 28/50 - Likewise, for the 2nd fraction, since 5 × 10 = 50,
9/5 = 9 × 10/5 × 10 = 90/50 - Subtract the two like fractions:
28/50 - 90/50 = 28 - 90/50 = -62/50 - After reducing the fraction, the answer is -31/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/50-9/5 28/50-18/5 28/50-9/10 84/50-9/5 28/50-27/5 28/50-9/15 28/50-45/5 28/50-9/25 28/50-63/5 28/50-9/35