Add 7/5 and 15/30
1st number: 1 2/5, 2nd number: 15/30
7/5 + 15/30 is 19/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 5 × 6 = 30,
7/5 = 7 × 6/5 × 6 = 42/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
15/30 = 15 × 1/30 × 1 = 15/30 - Add the two like fractions:
42/30 + 15/30 = 42 + 15/30 = 57/30 - 57/30 simplified gives 19/10
- So, 7/5 + 15/30 = 19/10
In mixed form: 19/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/5+15/30 7/10+15/30 7/5+15/60 21/5+15/30 7/5+45/30 7/15+15/30 7/5+15/90 35/5+15/30 7/5+75/30 7/25+15/30 49/5+15/30 7/35+15/30