Answers

Add 3/63 and 9/42

3/63 + 9/42 is 11/42.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 42 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 63 × 2 = 126,
   3/63 = 3 × 2/63 × 2 = 6/126
3. Likewise, for the 2nd fraction, since 42 × 3 = 126,
   9/42 = 9 × 3/42 × 3 = 27/126
4. Add the two like fractions:
   6/126 + 27/126 = 6 + 27/126 = 33/126
5. 33/126 simplified gives 11/42
6. So, 3/63 + 9/42 = 11/42

MathStep (Works offline)

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

Related: ⁶/₆₃+⁹/₄₂ ³/₆₃+¹⁸/₄₂ ³/₆₃+⁹/₈₄ ⁹/₆₃+⁹/₄₂ ³/₆₃+²⁷/₄₂ ¹⁵/₆₃+⁹/₄₂ ³/₆₃+⁴⁵/₄₂ ²¹/₆₃+⁹/₄₂ ³/₆₃+⁶³/₄₂

Add Fractions Calculator