Add 90/4 and 20/36
1st number: 22 2/4, 2nd number: 20/36
90/4 + 20/36 is 415/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
90/4 = 90 × 9/4 × 9 = 810/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
20/36 = 20 × 1/36 × 1 = 20/36 - Add the two like fractions:
810/36 + 20/36 = 810 + 20/36 = 830/36 - 830/36 simplified gives 415/18
- So, 90/4 + 20/36 = 415/18
In mixed form: 231/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/4+40/36 90/8+20/36 90/4+20/72 90/4+60/36 90/12+20/36 90/20+20/36 90/28+20/36