Subtract 80/21 from 5/50
1st number: 5/50, 2nd number: 3 17/21
5/50 - 80/21 is -779/210.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 21 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 50 × 21 = 1050,
5/50 = 5 × 21/50 × 21 = 105/1050 - Likewise, for the 2nd fraction, since 21 × 50 = 1050,
80/21 = 80 × 50/21 × 50 = 4000/1050 - Subtract the two like fractions:
105/1050 - 4000/1050 = 105 - 4000/1050 = -3895/1050 - After reducing the fraction, the answer is -779/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/50-80/21 5/50-80/42 15/50-80/21 5/50-80/63 25/50-80/21 35/50-80/21