Answers

Add 84/30 and 84/18

1^st number: 2 24/30, 2^nd number: 4 12/18

84/30 + 84/18 is 112/15.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 18 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 30 × 3 = 90,
   84/30 = 84 × 3/30 × 3 = 252/90
3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
   84/18 = 84 × 5/18 × 5 = 420/90
4. Add the two like fractions:
   252/90 + 420/90 = 252 + 420/90 = 672/90
5. 672/90 simplified gives 112/15
6. So, 84/30 + 84/18 = 112/15
   In mixed form: 77/15

MathStep (Works offline)

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

Related: ⁸⁴/₆₀+⁸⁴/₁₈ ⁸⁴/₃₀+⁸⁴/₃₆ ⁸⁴/₉₀+⁸⁴/₁₈ ⁸⁴/₃₀+⁸⁴/₅₄ ⁸⁴/₃₀+⁸⁴/₉₀

Add Fractions Calculator