Answers

Add 20/30 and 63/56

1^st number: 20/30, 2^nd number: 1 7/56

20/30 + 63/56 is 43/24.

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,
   20/30 = 20 × 28/30 × 28 = 560/840
3. Likewise, for the 2nd fraction, since 56 × 15 = 840,
   63/56 = 63 × 15/56 × 15 = 945/840
4. Add the two like fractions:
   560/840 + 945/840 = 560 + 945/840 = 1505/840
5. 1505/840 simplified gives 43/24
6. So, 20/30 + 63/56 = 43/24
   In mixed form: 119/24

MathStep (Works offline)

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

Related: ⁴⁰/₃₀+⁶³/₅₆ ²⁰/₆₀+⁶³/₅₆ ⁶⁰/₃₀+⁶³/₅₆ ²⁰/₉₀+⁶³/₅₆

Add Fractions Calculator