Add 1/18 and 20/4
1st number: 1/18, 2nd number: 5 0/4
1/18 + 20/4 is 91/18.
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,
1/18 = 1 × 2/18 × 2 = 2/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
20/4 = 20 × 9/4 × 9 = 180/36 - Add the two like fractions:
2/36 + 180/36 = 2 + 180/36 = 182/36 - 182/36 simplified gives 91/18
- So, 1/18 + 20/4 = 91/18
In mixed form: 51/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/18+20/4 1/18+40/4 1/36+20/4 1/18+20/8 3/18+20/4 1/18+60/4 1/54+20/4 1/18+20/12 5/18+20/4 1/90+20/4 7/18+20/4 1/18+20/28