Add 3/18 and 8/30
3/18 + 8/30 is 13/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
3/18 = 3 × 5/18 × 5 = 15/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
8/30 = 8 × 3/30 × 3 = 24/90 - Add the two like fractions:
15/90 + 24/90 = 15 + 24/90 = 39/90 - 39/90 simplified gives 13/30
- So, 3/18 + 8/30 = 13/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/18+8/30 3/18+16/30 3/36+8/30 3/18+8/60 9/18+8/30 3/18+24/30 3/54+8/30 3/18+8/90 15/18+8/30 3/18+40/30 3/90+8/30 21/18+8/30 3/18+56/30