Answers

Add 20/45 and 64/15

1^st number: 20/45, 2^nd number: 4 4/15

20/45 + 64/15 is 212/45.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 15 is 45
   
   Next, find the equivalent fraction of both fractional numbers with denominator 45
2. For the 1st fraction, since 45 × 1 = 45,
   20/45 = 20 × 1/45 × 1 = 20/45
3. Likewise, for the 2nd fraction, since 15 × 3 = 45,
   64/15 = 64 × 3/15 × 3 = 192/45
4. Add the two like fractions:
   20/45 + 192/45 = 20 + 192/45 = 212/45
5. So, 20/45 + 64/15 = 212/45
   In mixed form: 432/45

MathStep (Works offline)

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

Related: ⁴⁰/₄₅+⁶⁴/₁₅ ²⁰/₉₀+⁶⁴/₁₅ ²⁰/₄₅+⁶⁴/₃₀ ⁶⁰/₄₅+⁶⁴/₁₅ ²⁰/₄₅+⁶⁴/₄₅ ²⁰/₄₅+⁶⁴/₇₅

Add Fractions Calculator