Subtract 28/40 from 75/50
1st number: 1 25/50, 2nd number: 28/40
75/50 - 28/40 is 4/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 40 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 50 × 4 = 200,
75/50 = 75 × 4/50 × 4 = 300/200 - Likewise, for the 2nd fraction, since 40 × 5 = 200,
28/40 = 28 × 5/40 × 5 = 140/200 - Subtract the two like fractions:
300/200 - 140/200 = 300 - 140/200 = 160/200 - After reducing the fraction, the answer is 4/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/50-56/40 75/50-28/80 75/50-84/40