Answers

Add 18/63 and 6/70

18/63 + 6/70 is 13/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 70 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 63 × 10 = 630,
   18/63 = 18 × 10/63 × 10 = 180/630
3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
   6/70 = 6 × 9/70 × 9 = 54/630
4. Add the two like fractions:
   180/630 + 54/630 = 180 + 54/630 = 234/630
5. 234/630 simplified gives 13/35
6. So, 18/63 + 6/70 = 13/35

MathStep (Works offline)

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

Related: ³⁶/₆₃+⁶/₇₀ ¹⁸/₆₃+¹²/₇₀ ⁵⁴/₆₃+⁶/₇₀ ¹⁸/₆₃+¹⁸/₇₀ ⁹⁰/₆₃+⁶/₇₀ ¹⁸/₆₃+³⁰/₇₀ ¹⁸/₆₃+⁴²/₇₀

Add Fractions Calculator