Answers

Add 8/63 and 35/45

8/63 + 35/45 is 19/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 45 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 63 × 5 = 315,
   8/63 = 8 × 5/63 × 5 = 40/315
3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
   35/45 = 35 × 7/45 × 7 = 245/315
4. Add the two like fractions:
   40/315 + 245/315 = 40 + 245/315 = 285/315
5. 285/315 simplified gives 19/21
6. So, 8/63 + 35/45 = 19/21

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