Subtract 80/49 from 28/50
1st number: 28/50, 2nd number: 1 31/49
28/50 - 80/49 is -1314/1225.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 49 is 2450
Next, find the equivalent fraction of both fractional numbers with denominator 2450 - For the 1st fraction, since 50 × 49 = 2450,
28/50 = 28 × 49/50 × 49 = 1372/2450 - Likewise, for the 2nd fraction, since 49 × 50 = 2450,
80/49 = 80 × 50/49 × 50 = 4000/2450 - Subtract the two like fractions:
1372/2450 - 4000/2450 = 1372 - 4000/2450 = -2628/2450 - After reducing the fraction, the answer is -1314/1225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/50-80/49 28/50-80/98 84/50-80/49