Add 30/8 and 6/18
1st number: 3 6/8, 2nd number: 6/18
30/8 + 6/18 is 49/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
30/8 = 30 × 9/8 × 9 = 270/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
6/18 = 6 × 4/18 × 4 = 24/72 - Add the two like fractions:
270/72 + 24/72 = 270 + 24/72 = 294/72 - 294/72 simplified gives 49/12
- So, 30/8 + 6/18 = 49/12
In mixed form: 41/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/8+6/18 30/8+12/18 30/16+6/18 30/8+6/36 90/8+6/18 30/24+6/18 30/8+6/54 30/8+30/18 30/40+6/18 30/8+6/90 30/8+42/18 30/56+6/18