Answers

Add 28/45 and 15/63

28/45 + 15/63 is 271/315.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 63 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 45 × 7 = 315,
   28/45 = 28 × 7/45 × 7 = 196/315
3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
   15/63 = 15 × 5/63 × 5 = 75/315
4. Add the two like fractions:
   196/315 + 75/315 = 196 + 75/315 = 271/315
5. So, 28/45 + 15/63 = 271/315

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