Add 3/30 and 6/7
3/30 + 6/7 is 67/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 7 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
3/30 = 3 × 7/30 × 7 = 21/210 - Likewise, for the 2nd fraction, since 7 × 30 = 210,
6/7 = 6 × 30/7 × 30 = 180/210 - Add the two like fractions:
21/210 + 180/210 = 21 + 180/210 = 201/210 - 201/210 simplified gives 67/70
- So, 3/30 + 6/7 = 67/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/30+6/7 3/30+12/7 3/60+6/7 3/30+6/14 9/30+6/7 3/30+18/7 3/90+6/7 3/30+6/21 15/30+6/7 3/30+30/7 3/30+6/35 21/30+6/7 3/30+42/7 3/30+6/49