Answers

Add 50/63 and 15/20

50/63 + 15/20 is 389/252.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 20 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 63 × 20 = 1260,
   50/63 = 50 × 20/63 × 20 = 1000/1260
3. Likewise, for the 2nd fraction, since 20 × 63 = 1260,
   15/20 = 15 × 63/20 × 63 = 945/1260
4. Add the two like fractions:
   1000/1260 + 945/1260 = 1000 + 945/1260 = 1945/1260
5. 1945/1260 simplified gives 389/252
6. So, 50/63 + 15/20 = 389/252
   In mixed form: 1137/252

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