Add 30/15 and 25/10
1st number: 2 0/15, 2nd number: 2 5/10
30/15 + 25/10 is 9/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 10 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
30/15 = 30 × 2/15 × 2 = 60/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
25/10 = 25 × 3/10 × 3 = 75/30 - Add the two like fractions:
60/30 + 75/30 = 60 + 75/30 = 135/30 - 135/30 simplified gives 9/2
- So, 30/15 + 25/10 = 9/2
In mixed form: 41/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/15+25/10 30/15+50/10 30/15+25/20 90/15+25/10 30/15+75/10 30/45+25/10 30/15+25/30 30/75+25/10 30/15+25/50 30/15+25/70