Answers

Add 15/63 and 25/20

1^st number: 15/63, 2^nd number: 1 5/20

15/63 + 25/20 is 125/84.

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,
   15/63 = 15 × 20/63 × 20 = 300/1260
3. Likewise, for the 2nd fraction, since 20 × 63 = 1260,
   25/20 = 25 × 63/20 × 63 = 1575/1260
4. Add the two like fractions:
   300/1260 + 1575/1260 = 300 + 1575/1260 = 1875/1260
5. 1875/1260 simplified gives 125/84
6. So, 15/63 + 25/20 = 125/84
   In mixed form: 141/84

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