Add 1/30 and 6/21
1/30 + 6/21 is 67/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 21 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
1/30 = 1 × 7/30 × 7 = 7/210 - Likewise, for the 2nd fraction, since 21 × 10 = 210,
6/21 = 6 × 10/21 × 10 = 60/210 - Add the two like fractions:
7/210 + 60/210 = 7 + 60/210 = 67/210 - So, 1/30 + 6/21 = 67/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/30+6/21 1/30+12/21 1/60+6/21 1/30+6/42 3/30+6/21 1/30+18/21 1/90+6/21 1/30+6/63 5/30+6/21 1/30+30/21 7/30+6/21 1/30+42/21