Subtract 20/4 from 15/50
1st number: 15/50, 2nd number: 5 0/4
15/50 - 20/4 is -47/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 4 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 50 × 2 = 100,
15/50 = 15 × 2/50 × 2 = 30/100 - Likewise, for the 2nd fraction, since 4 × 25 = 100,
20/4 = 20 × 25/4 × 25 = 500/100 - Subtract the two like fractions:
30/100 - 500/100 = 30 - 500/100 = -470/100 - After reducing the fraction, the answer is -47/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/50-20/4 15/50-40/4 15/50-20/8 45/50-20/4 15/50-60/4 15/50-20/12 75/50-20/4 15/50-20/28