Add 6/7 and 15/30
6/7 + 15/30 is 19/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 7 × 30 = 210,
6/7 = 6 × 30/7 × 30 = 180/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
15/30 = 15 × 7/30 × 7 = 105/210 - Add the two like fractions:
180/210 + 105/210 = 180 + 105/210 = 285/210 - 285/210 simplified gives 19/14
- So, 6/7 + 15/30 = 19/14
In mixed form: 15/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/7+15/30 6/14+15/30 6/7+15/60 18/7+15/30 6/7+45/30 6/21+15/30 6/7+15/90 30/7+15/30 6/7+75/30 6/35+15/30 42/7+15/30 6/49+15/30