Answers

Add 48/63 and 8/90

48/63 + 8/90 is 268/315.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 90 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 63 × 10 = 630,
   48/63 = 48 × 10/63 × 10 = 480/630
3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
   8/90 = 8 × 7/90 × 7 = 56/630
4. Add the two like fractions:
   480/630 + 56/630 = 480 + 56/630 = 536/630
5. 536/630 simplified gives 268/315
6. So, 48/63 + 8/90 = 268/315

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