Add 7/30 and 6/18
7/30 + 6/18 is 17/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
7/30 = 7 × 3/30 × 3 = 21/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
6/18 = 6 × 5/18 × 5 = 30/90 - Add the two like fractions:
21/90 + 30/90 = 21 + 30/90 = 51/90 - 51/90 simplified gives 17/30
- So, 7/30 + 6/18 = 17/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/30+6/18 7/30+12/18 7/60+6/18 7/30+6/36 21/30+6/18 7/90+6/18 7/30+6/54 35/30+6/18 7/30+30/18 7/30+6/90 49/30+6/18 7/30+42/18