Subtract 81/50 from 28/8
1st number: 3 4/8, 2nd number: 1 31/50
28/8 - 81/50 is 47/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 50 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 8 × 25 = 200,
28/8 = 28 × 25/8 × 25 = 700/200 - Likewise, for the 2nd fraction, since 50 × 4 = 200,
81/50 = 81 × 4/50 × 4 = 324/200 - Subtract the two like fractions:
700/200 - 324/200 = 700 - 324/200 = 376/200 - After reducing the fraction, the answer is 47/25
- In mixed form: 122/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/8-81/50 28/16-81/50 84/8-81/50 28/24-81/50 28/40-81/50 28/56-81/50