Add 4/15 and 30/7
1st number: 4/15, 2nd number: 4 2/7
4/15 + 30/7 is 478/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 7 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 15 × 7 = 105,
4/15 = 4 × 7/15 × 7 = 28/105 - Likewise, for the 2nd fraction, since 7 × 15 = 105,
30/7 = 30 × 15/7 × 15 = 450/105 - Add the two like fractions:
28/105 + 450/105 = 28 + 450/105 = 478/105 - So, 4/15 + 30/7 = 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: 8/15+30/7 4/15+60/7 4/30+30/7 4/15+30/14 12/15+30/7 4/15+90/7 4/45+30/7 4/15+30/21 20/15+30/7 4/75+30/7 4/15+30/35 28/15+30/7 4/15+30/49