Add 90/9 and 15/4
1st number: 10 0/9, 2nd number: 3 3/4
90/9 + 15/4 is 55/4.
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,
15/4 = 15 × 9/4 × 9 = 135/36 - Add the two like fractions:
360/36 + 135/36 = 360 + 135/36 = 495/36 - 495/36 simplified gives 55/4
- So, 90/9 + 15/4 = 55/4
In mixed form: 133/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/9+30/4 90/18+15/4 90/9+15/8 90/9+45/4 90/27+15/4 90/9+15/12 90/9+75/4 90/45+15/4 90/9+15/20 90/63+15/4 90/9+15/28