Add 28/16 and 54/45
1st number: 1 12/16, 2nd number: 1 9/45
28/16 + 54/45 is 59/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 45 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 16 × 45 = 720,
28/16 = 28 × 45/16 × 45 = 1260/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
54/45 = 54 × 16/45 × 16 = 864/720 - Add the two like fractions:
1260/720 + 864/720 = 1260 + 864/720 = 2124/720 - 2124/720 simplified gives 59/20
- So, 28/16 + 54/45 = 59/20
In mixed form: 219/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/16+54/45 28/32+54/45 28/16+54/90 84/16+54/45 28/48+54/45 28/80+54/45