Answers

Add 90/63 and 10/8

1^st number: 1 27/63, 2^nd number: 1 2/8

90/63 + 10/8 is 75/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 8 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 63 × 8 = 504,
   90/63 = 90 × 8/63 × 8 = 720/504
3. Likewise, for the 2nd fraction, since 8 × 63 = 504,
   10/8 = 10 × 63/8 × 63 = 630/504
4. Add the two like fractions:
   720/504 + 630/504 = 720 + 630/504 = 1350/504
5. 1350/504 simplified gives 75/28
6. So, 90/63 + 10/8 = 75/28
   In mixed form: 219/28

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