Add 4/5 and 3/18
4/5 + 3/18 is 29/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
4/5 = 4 × 18/5 × 18 = 72/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
3/18 = 3 × 5/18 × 5 = 15/90 - Add the two like fractions:
72/90 + 15/90 = 72 + 15/90 = 87/90 - 87/90 simplified gives 29/30
- So, 4/5 + 3/18 = 29/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/5+3/18 4/5+6/18 4/10+3/18 4/5+3/36 12/5+3/18 4/5+9/18 4/15+3/18 4/5+3/54 20/5+3/18 4/5+15/18 4/25+3/18 4/5+3/90 28/5+3/18 4/5+21/18 4/35+3/18