Answers

Add 6/12 and 84/40

1^st number: 6/12, 2^nd number: 2 4/40

6/12 + 84/40 is 13/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 40 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 12 × 10 = 120,
   6/12 = 6 × 10/12 × 10 = 60/120
3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
   84/40 = 84 × 3/40 × 3 = 252/120
4. Add the two like fractions:
   60/120 + 252/120 = 60 + 252/120 = 312/120
5. 312/120 simplified gives 13/5
6. So, 6/12 + 84/40 = 13/5
   In mixed form: 23/5

MathStep (Works offline)

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

Related: ⁶/₂₄+⁸⁴/₄₀ ⁶/₁₂+⁸⁴/₈₀ ¹⁸/₁₂+⁸⁴/₄₀ ⁶/₃₆+⁸⁴/₄₀ ³⁰/₁₂+⁸⁴/₄₀ ⁶/₆₀+⁸⁴/₄₀ ⁴²/₁₂+⁸⁴/₄₀ ⁶/₈₄+⁸⁴/₄₀

Add Fractions Calculator