Subtract 28/9 from 45/16
1st number: 2 13/16, 2nd number: 3 1/9
45/16 - 28/9 is -43/144.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 9 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 16 × 9 = 144,
45/16 = 45 × 9/16 × 9 = 405/144 - Likewise, for the 2nd fraction, since 9 × 16 = 144,
28/9 = 28 × 16/9 × 16 = 448/144 - Subtract the two like fractions:
405/144 - 448/144 = 405 - 448/144 = -43/144
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/16-28/9 45/16-56/9 45/32-28/9 45/16-28/18 45/16-84/9 45/48-28/9 45/16-28/27 45/80-28/9 45/16-28/45 45/16-28/63