Answers

Add 84/30 and 28/56

1^st number: 2 24/30, 2^nd number: 28/56

84/30 + 28/56 is 33/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 56 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 30 × 28 = 840,
   84/30 = 84 × 28/30 × 28 = 2352/840
3. Likewise, for the 2nd fraction, since 56 × 15 = 840,
   28/56 = 28 × 15/56 × 15 = 420/840
4. Add the two like fractions:
   2352/840 + 420/840 = 2352 + 420/840 = 2772/840
5. 2772/840 simplified gives 33/10
6. So, 84/30 + 28/56 = 33/10
   In mixed form: 33/10

MathStep (Works offline)

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

Related: ⁸⁴/₆₀+²⁸/₅₆ ⁸⁴/₃₀+⁸⁴/₅₆ ⁸⁴/₉₀+²⁸/₅₆

Add Fractions Calculator