Add 30/7 and 8/30
1st number: 4 2/7, 2nd number: 8/30
30/7 + 8/30 is 478/105.
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,
30/7 = 30 × 30/7 × 30 = 900/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
8/30 = 8 × 7/30 × 7 = 56/210 - Add the two like fractions:
900/210 + 56/210 = 900 + 56/210 = 956/210 - 956/210 simplified gives 478/105
- So, 30/7 + 8/30 = 478/105
In mixed form: 458/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/7+8/30 30/7+16/30 30/14+8/30 30/7+8/60 90/7+8/30 30/7+24/30 30/21+8/30 30/7+8/90 30/7+40/30 30/35+8/30 30/7+56/30 30/49+8/30