Add 28/18 and 90/4
1st number: 1 10/18, 2nd number: 22 2/4
28/18 + 90/4 is 433/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 4 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 18 × 2 = 36,
28/18 = 28 × 2/18 × 2 = 56/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
90/4 = 90 × 9/4 × 9 = 810/36 - Add the two like fractions:
56/36 + 810/36 = 56 + 810/36 = 866/36 - 866/36 simplified gives 433/18
- So, 28/18 + 90/4 = 433/18
In mixed form: 241/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/18+90/4 28/36+90/4 28/18+90/8 84/18+90/4 28/54+90/4 28/18+90/12 28/90+90/4 28/18+90/20 28/18+90/28