Subtract 75/50 from 10/20
1st number: 10/20, 2nd number: 1 25/50
10/20 - 75/50 is -1/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 50 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 20 × 5 = 100,
10/20 = 10 × 5/20 × 5 = 50/100 - Likewise, for the 2nd fraction, since 50 × 2 = 100,
75/50 = 75 × 2/50 × 2 = 150/100 - Subtract the two like fractions:
50/100 - 150/100 = 50 - 150/100 = -100/100 - After reducing the fraction, the answer is -1/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/40-75/50 30/20-75/50 10/60-75/50 50/20-75/50 70/20-75/50