Answers

Add 15/2 and 45/30

1^st number: 7 1/2, 2^nd number: 1 15/30

15/2 + 45/30 is 9/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 2 and 30 is 30
   
   Next, find the equivalent fraction of both fractional numbers with denominator 30
2. For the 1st fraction, since 2 × 15 = 30,
   15/2 = 15 × 15/2 × 15 = 225/30
3. Likewise, for the 2nd fraction, since 30 × 1 = 30,
   45/30 = 45 × 1/30 × 1 = 45/30
4. Add the two like fractions:
   225/30 + 45/30 = 225 + 45/30 = 270/30
5. 270/30 simplified gives 9/1
6. So, 15/2 + 45/30 = 9/1

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related: ³⁰/₂+⁴⁵/₃₀ ¹⁵/₂+⁹⁰/₃₀ ¹⁵/₄+⁴⁵/₃₀ ¹⁵/₂+⁴⁵/₆₀ ⁴⁵/₂+⁴⁵/₃₀ ¹⁵/₆+⁴⁵/₃₀ ¹⁵/₂+⁴⁵/₉₀ ⁷⁵/₂+⁴⁵/₃₀ ¹⁵/₁₀+⁴⁵/₃₀ ¹⁵/₁₄+⁴⁵/₃₀

Add Fractions Calculator