Answers

Add 12/3 and 84/28

1^st number: 4 0/3, 2^nd number: 3 0/28

12/3 + 84/28 is 7/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 3 and 28 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 3 × 28 = 84,
   12/3 = 12 × 28/3 × 28 = 336/84
3. Likewise, for the 2nd fraction, since 28 × 3 = 84,
   84/28 = 84 × 3/28 × 3 = 252/84
4. Add the two like fractions:
   336/84 + 252/84 = 336 + 252/84 = 588/84
5. 588/84 simplified gives 7/1
6. So, 12/3 + 84/28 = 7/1

MathStep (Works offline)

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

Related: ²⁴/₃+⁸⁴/₂₈ ¹²/₆+⁸⁴/₂₈ ¹²/₃+⁸⁴/₅₆ ³⁶/₃+⁸⁴/₂₈ ¹²/₉+⁸⁴/₂₈ ⁶⁰/₃+⁸⁴/₂₈ ¹²/₁₅+⁸⁴/₂₈ ⁸⁴/₃+⁸⁴/₂₈ ¹²/₂₁+⁸⁴/₂₈

Add Fractions Calculator