Add 3/18 and 1/20
3/18 + 1/20 is 13/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 18 × 10 = 180,
3/18 = 3 × 10/18 × 10 = 30/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
1/20 = 1 × 9/20 × 9 = 9/180 - Add the two like fractions:
30/180 + 9/180 = 30 + 9/180 = 39/180 - 39/180 simplified gives 13/60
- So, 3/18 + 1/20 = 13/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/18+1/20 3/18+2/20 3/36+1/20 3/18+1/40 9/18+1/20 3/18+3/20 3/54+1/20 3/18+1/60 15/18+1/20 3/18+5/20 3/90+1/20 21/18+1/20 3/18+7/20