Add 6/15 and 30/4
1st number: 6/15, 2nd number: 7 2/4
6/15 + 30/4 is 79/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 4 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
6/15 = 6 × 4/15 × 4 = 24/60 - Likewise, for the 2nd fraction, since 4 × 15 = 60,
30/4 = 30 × 15/4 × 15 = 450/60 - Add the two like fractions:
24/60 + 450/60 = 24 + 450/60 = 474/60 - 474/60 simplified gives 79/10
- So, 6/15 + 30/4 = 79/10
In mixed form: 79/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/15+30/4 6/15+60/4 6/30+30/4 6/15+30/8 18/15+30/4 6/15+90/4 6/45+30/4 6/15+30/12 30/15+30/4 6/75+30/4 6/15+30/20 42/15+30/4 6/15+30/28