Answers

Add 75/20 and 15/63

1^st number: 3 15/20, 2^nd number: 15/63

75/20 + 15/63 is 335/84.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 63 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 20 × 63 = 1260,
   75/20 = 75 × 63/20 × 63 = 4725/1260
3. Likewise, for the 2nd fraction, since 63 × 20 = 1260,
   15/63 = 15 × 20/63 × 20 = 300/1260
4. Add the two like fractions:
   4725/1260 + 300/1260 = 4725 + 300/1260 = 5025/1260
5. 5025/1260 simplified gives 335/84
6. So, 75/20 + 15/63 = 335/84
   In mixed form: 383/84

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