Answers

Add 28/63 and 15/7

1^st number: 28/63, 2^nd number: 2 1/7

28/63 + 15/7 is 163/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 7 is 63
   
   Next, find the equivalent fraction of both fractional numbers with denominator 63
2. For the 1st fraction, since 63 × 1 = 63,
   28/63 = 28 × 1/63 × 1 = 28/63
3. Likewise, for the 2nd fraction, since 7 × 9 = 63,
   15/7 = 15 × 9/7 × 9 = 135/63
4. Add the two like fractions:
   28/63 + 135/63 = 28 + 135/63 = 163/63
5. So, 28/63 + 15/7 = 163/63
   In mixed form: 237/63

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