Add 3/20 and 4/18
3/20 + 4/18 is 67/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 18 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
3/20 = 3 × 9/20 × 9 = 27/180 - Likewise, for the 2nd fraction, since 18 × 10 = 180,
4/18 = 4 × 10/18 × 10 = 40/180 - Add the two like fractions:
27/180 + 40/180 = 27 + 40/180 = 67/180 - So, 3/20 + 4/18 = 67/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/20+4/18 3/20+8/18 3/40+4/18 3/20+4/36 9/20+4/18 3/20+12/18 3/60+4/18 3/20+4/54 15/20+4/18 3/20+20/18 3/20+4/90 21/20+4/18 3/20+28/18