Answers

Add 28/56 and 45/30

1^st number: 28/56, 2^nd number: 1 15/30

28/56 + 45/30 is 2/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 30 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 56 × 15 = 840,
   28/56 = 28 × 15/56 × 15 = 420/840
3. Likewise, for the 2nd fraction, since 30 × 28 = 840,
   45/30 = 45 × 28/30 × 28 = 1260/840
4. Add the two like fractions:
   420/840 + 1260/840 = 420 + 1260/840 = 1680/840
5. 1680/840 simplified gives 2/1
6. So, 28/56 + 45/30 = 2/1

MathStep (Works offline)

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

Related: ²⁸/₅₆+⁹⁰/₃₀ ²⁸/₅₆+⁴⁵/₆₀ ⁸⁴/₅₆+⁴⁵/₃₀ ²⁸/₅₆+⁴⁵/₉₀

Add Fractions Calculator