Add 15/2 and 72/5
1st number: 7 1/2, 2nd number: 14 2/5
15/2 + 72/5 is 219/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 5 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 2 × 5 = 10,
15/2 = 15 × 5/2 × 5 = 75/10 - Likewise, for the 2nd fraction, since 5 × 2 = 10,
72/5 = 72 × 2/5 × 2 = 144/10 - Add the two like fractions:
75/10 + 144/10 = 75 + 144/10 = 219/10 - So, 15/2 + 72/5 = 219/10
In mixed form: 219/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/2+72/5 15/4+72/5 15/2+72/10 45/2+72/5 15/6+72/5 15/2+72/15 75/2+72/5 15/10+72/5 15/2+72/25 15/14+72/5 15/2+72/35