Subtract 50/20 from 4/5
1st number: 4/5, 2nd number: 2 10/20
4/5 - 50/20 is -17/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 5 × 4 = 20,
4/5 = 4 × 4/5 × 4 = 16/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
50/20 = 50 × 1/20 × 1 = 50/20 - Subtract the two like fractions:
16/20 - 50/20 = 16 - 50/20 = -34/20 - After reducing the fraction, the answer is -17/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/5-50/20 4/10-50/20 4/5-50/40 12/5-50/20 4/15-50/20 4/5-50/60 20/5-50/20 4/25-50/20 28/5-50/20 4/35-50/20