Add 28/45 and 90/5
1st number: 28/45, 2nd number: 18 0/5
28/45 + 90/5 is 838/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 5 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 45 × 1 = 45,
28/45 = 28 × 1/45 × 1 = 28/45 - Likewise, for the 2nd fraction, since 5 × 9 = 45,
90/5 = 90 × 9/5 × 9 = 810/45 - Add the two like fractions:
28/45 + 810/45 = 28 + 810/45 = 838/45 - So, 28/45 + 90/5 = 838/45
In mixed form: 1828/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/45+90/5 28/90+90/5 28/45+90/10 84/45+90/5 28/45+90/15 28/45+90/25 28/45+90/35