Add 1/30 and 8/18
1/30 + 8/18 is 43/90.
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,
1/30 = 1 × 3/30 × 3 = 3/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
8/18 = 8 × 5/18 × 5 = 40/90 - Add the two like fractions:
3/90 + 40/90 = 3 + 40/90 = 43/90 - So, 1/30 + 8/18 = 43/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/30+8/18 1/30+16/18 1/60+8/18 1/30+8/36 3/30+8/18 1/30+24/18 1/90+8/18 1/30+8/54 5/30+8/18 1/30+40/18 1/30+8/90 7/30+8/18 1/30+56/18