Subtract 75/50 from 50/30
1st number: 1 20/30, 2nd number: 1 25/50
50/30 - 75/50 is 1/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 50 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 30 × 5 = 150,
50/30 = 50 × 5/30 × 5 = 250/150 - Likewise, for the 2nd fraction, since 50 × 3 = 150,
75/50 = 75 × 3/50 × 3 = 225/150 - Subtract the two like fractions:
250/150 - 225/150 = 250 - 225/150 = 25/150 - After reducing the fraction, the answer is 1/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/60-75/50 50/90-75/50