Add 28/18 and 50/45
1st number: 1 10/18, 2nd number: 1 5/45
28/18 + 50/45 is 8/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
28/18 = 28 × 5/18 × 5 = 140/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
50/45 = 50 × 2/45 × 2 = 100/90 - Add the two like fractions:
140/90 + 100/90 = 140 + 100/90 = 240/90 - 240/90 simplified gives 8/3
- So, 28/18 + 50/45 = 8/3
In mixed form: 22/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/18+50/45 28/36+50/45 28/18+50/90 84/18+50/45 28/54+50/45 28/90+50/45