Add 5/90 and 98/18
1st number: 5/90, 2nd number: 5 8/18
5/90 + 98/18 is 11/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
5/90 = 5 × 1/90 × 1 = 5/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
98/18 = 98 × 5/18 × 5 = 490/90 - Add the two like fractions:
5/90 + 490/90 = 5 + 490/90 = 495/90 - 495/90 simplified gives 11/2
- So, 5/90 + 98/18 = 11/2
In mixed form: 51/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/90+98/18 5/90+98/36 15/90+98/18 5/90+98/54 25/90+98/18 5/90+98/90 35/90+98/18