Add 90/4 and 8/18
1st number: 22 2/4, 2nd number: 8/18
90/4 + 8/18 is 413/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 18 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 18 × 2 = 36,
8/18 = 8 × 2/18 × 2 = 16/36 - Add the two like fractions:
810/36 + 16/36 = 810 + 16/36 = 826/36 - 826/36 simplified gives 413/18
- So, 90/4 + 8/18 = 413/18
In mixed form: 2217/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/4+16/18 90/8+8/18 90/4+8/36 90/4+24/18 90/12+8/18 90/4+8/54 90/4+40/18 90/20+8/18 90/4+8/90 90/4+56/18 90/28+8/18