Add 28/90 and 54/6
1st number: 28/90, 2nd number: 9 0/6
28/90 + 54/6 is 419/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 6 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
28/90 = 28 × 1/90 × 1 = 28/90 - Likewise, for the 2nd fraction, since 6 × 15 = 90,
54/6 = 54 × 15/6 × 15 = 810/90 - Add the two like fractions:
28/90 + 810/90 = 28 + 810/90 = 838/90 - 838/90 simplified gives 419/45
- So, 28/90 + 54/6 = 419/45
In mixed form: 914/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/90+54/6 28/90+54/12 84/90+54/6 28/90+54/18 28/90+54/30 28/90+54/42