Answers

Add 5/8 and 40/18

1^st number: 5/8, 2^nd number: 2 4/18

5/8 + 40/18 is 205/72.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 8 and 18 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 8 × 9 = 72,
   5/8 = 5 × 9/8 × 9 = 45/72
3. Likewise, for the 2nd fraction, since 18 × 4 = 72,
   40/18 = 40 × 4/18 × 4 = 160/72
4. Add the two like fractions:
   45/72 + 160/72 = 45 + 160/72 = 205/72
5. So, 5/8 + 40/18 = 205/72
   In mixed form: 261/72

MathStep (Works offline)

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

Related: ¹⁰/₈+⁴⁰/₁₈ ⁵/₈+⁸⁰/₁₈ ⁵/₁₆+⁴⁰/₁₈ ⁵/₈+⁴⁰/₃₆ ¹⁵/₈+⁴⁰/₁₈ ⁵/₂₄+⁴⁰/₁₈ ⁵/₈+⁴⁰/₅₄ ²⁵/₈+⁴⁰/₁₈ ⁵/₄₀+⁴⁰/₁₈ ⁵/₈+⁴⁰/₉₀ ³⁵/₈+⁴⁰/₁₈ ⁵/₅₆+⁴⁰/₁₈

Add Fractions Calculator