Add 8/18 and 20/4
1st number: 8/18, 2nd number: 5 0/4
8/18 + 20/4 is 49/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 4 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 18 × 2 = 36,
8/18 = 8 × 2/18 × 2 = 16/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
20/4 = 20 × 9/4 × 9 = 180/36 - Add the two like fractions:
16/36 + 180/36 = 16 + 180/36 = 196/36 - 196/36 simplified gives 49/9
- So, 8/18 + 20/4 = 49/9
In mixed form: 54/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/18+20/4 8/18+40/4 8/36+20/4 8/18+20/8 24/18+20/4 8/18+60/4 8/54+20/4 8/18+20/12 40/18+20/4 8/90+20/4 56/18+20/4 8/18+20/28