Subtract 28/5 from 49/4
1st number: 12 1/4, 2nd number: 5 3/5
49/4 - 28/5 is 133/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
49/4 = 49 × 5/4 × 5 = 245/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
28/5 = 28 × 4/5 × 4 = 112/20 - Subtract the two like fractions:
245/20 - 112/20 = 245 - 112/20 = 133/20 - In mixed form: 613/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/4-28/5 49/4-56/5 49/8-28/5 49/4-28/10 49/4-84/5 49/12-28/5 49/4-28/15 49/20-28/5 49/4-28/25 49/28-28/5 49/4-28/35