Add 90/9 and 5/4
1st number: 10 0/9, 2nd number: 1 1/4
90/9 + 5/4 is 45/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 4 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
90/9 = 90 × 4/9 × 4 = 360/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
5/4 = 5 × 9/4 × 9 = 45/36 - Add the two like fractions:
360/36 + 45/36 = 360 + 45/36 = 405/36 - 405/36 simplified gives 45/4
- So, 90/9 + 5/4 = 45/4
In mixed form: 111/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/9+10/4 90/18+5/4 90/9+5/8 90/9+15/4 90/27+5/4 90/9+5/12 90/9+25/4 90/45+5/4 90/9+5/20 90/9+35/4 90/63+5/4 90/9+5/28