Add 1/30 and 15/7
1st number: 1/30, 2nd number: 2 1/7
1/30 + 15/7 is 457/210.
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,
1/30 = 1 × 7/30 × 7 = 7/210 - Likewise, for the 2nd fraction, since 7 × 30 = 210,
15/7 = 15 × 30/7 × 30 = 450/210 - Add the two like fractions:
7/210 + 450/210 = 7 + 450/210 = 457/210 - So, 1/30 + 15/7 = 457/210
In mixed form: 237/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/30+15/7 1/30+30/7 1/60+15/7 1/30+15/14 3/30+15/7 1/30+45/7 1/90+15/7 1/30+15/21 5/30+15/7 1/30+75/7 1/30+15/35 7/30+15/7 1/30+15/49