Answers

Add 8/18 and 45/7

1^st number: 8/18, 2^nd number: 6 3/7

8/18 + 45/7 is 433/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 7 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 18 × 7 = 126,
   8/18 = 8 × 7/18 × 7 = 56/126
3. Likewise, for the 2nd fraction, since 7 × 18 = 126,
   45/7 = 45 × 18/7 × 18 = 810/126
4. Add the two like fractions:
   56/126 + 810/126 = 56 + 810/126 = 866/126
5. 866/126 simplified gives 433/63
6. So, 8/18 + 45/7 = 433/63
   In mixed form: 655/63

MathStep (Works offline)

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

Related: ¹⁶/₁₈+⁴⁵/₇ ⁸/₁₈+⁹⁰/₇ ⁸/₃₆+⁴⁵/₇ ⁸/₁₈+⁴⁵/₁₄ ²⁴/₁₈+⁴⁵/₇ ⁸/₅₄+⁴⁵/₇ ⁸/₁₈+⁴⁵/₂₁ ⁴⁰/₁₈+⁴⁵/₇ ⁸/₉₀+⁴⁵/₇ ⁸/₁₈+⁴⁵/₃₅ ⁵⁶/₁₈+⁴⁵/₇ ⁸/₁₈+⁴⁵/₄₉

Add Fractions Calculator