Subtract 28/16 from 28/5
1st number: 5 3/5, 2nd number: 1 12/16
28/5 - 28/16 is 77/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 5 × 16 = 80,
28/5 = 28 × 16/5 × 16 = 448/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
28/16 = 28 × 5/16 × 5 = 140/80 - Subtract the two like fractions:
448/80 - 140/80 = 448 - 140/80 = 308/80 - After reducing the fraction, the answer is 77/20
- In mixed form: 317/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/5-28/16 28/5-56/16 28/10-28/16 28/5-28/32 84/5-28/16 28/5-84/16 28/15-28/16 28/5-28/48 28/25-28/16 28/5-28/80 28/35-28/16