Answers

Add 24/30 and 84/42

1^st number: 24/30, 2^nd number: 2 0/42

24/30 + 84/42 is 14/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 42 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 30 × 7 = 210,
   24/30 = 24 × 7/30 × 7 = 168/210
3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
   84/42 = 84 × 5/42 × 5 = 420/210
4. Add the two like fractions:
   168/210 + 420/210 = 168 + 420/210 = 588/210
5. 588/210 simplified gives 14/5
6. So, 24/30 + 84/42 = 14/5
   In mixed form: 24/5

MathStep (Works offline)

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

Related: ⁴⁸/₃₀+⁸⁴/₄₂ ²⁴/₆₀+⁸⁴/₄₂ ⁷²/₃₀+⁸⁴/₄₂ ²⁴/₉₀+⁸⁴/₄₂

Add Fractions Calculator