Answers

Add 20/63 and 5/7

20/63 + 5/7 is 65/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 7 is 63
   
   Next, find the equivalent fraction of both fractional numbers with denominator 63
2. For the 1st fraction, since 63 × 1 = 63,
   20/63 = 20 × 1/63 × 1 = 20/63
3. Likewise, for the 2nd fraction, since 7 × 9 = 63,
   5/7 = 5 × 9/7 × 9 = 45/63
4. Add the two like fractions:
   20/63 + 45/63 = 20 + 45/63 = 65/63
5. So, 20/63 + 5/7 = 65/63
   In mixed form: 12/63

MathStep (Works offline)

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

Related: ⁴⁰/₆₃+⁵/₇ ²⁰/₆₃+¹⁰/₇ ²⁰/₆₃+⁵/₁₄ ⁶⁰/₆₃+⁵/₇ ²⁰/₆₃+¹⁵/₇ ²⁰/₆₃+⁵/₂₁ ²⁰/₆₃+²⁵/₇ ²⁰/₆₃+⁵/₃₅ ²⁰/₆₃+³⁵/₇ ²⁰/₆₃+⁵/₄₉

Add Fractions Calculator