Add 7/15 and 30/25
1st number: 7/15, 2nd number: 1 5/25
7/15 + 30/25 is 5/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 25 is 75
Next, find the equivalent fraction of both fractional numbers with denominator 75 - For the 1st fraction, since 15 × 5 = 75,
7/15 = 7 × 5/15 × 5 = 35/75 - Likewise, for the 2nd fraction, since 25 × 3 = 75,
30/25 = 30 × 3/25 × 3 = 90/75 - Add the two like fractions:
35/75 + 90/75 = 35 + 90/75 = 125/75 - 125/75 simplified gives 5/3
- So, 7/15 + 30/25 = 5/3
In mixed form: 12/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/15+30/25 7/15+60/25 7/30+30/25 7/15+30/50 21/15+30/25 7/15+90/25 7/45+30/25 7/15+30/75 35/15+30/25 7/75+30/25 49/15+30/25