Answers

Add 90/63 and 45/4

1^st number: 1 27/63, 2^nd number: 11 1/4

90/63 + 45/4 is 355/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 4 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 63 × 4 = 252,
   90/63 = 90 × 4/63 × 4 = 360/252
3. Likewise, for the 2nd fraction, since 4 × 63 = 252,
   45/4 = 45 × 63/4 × 63 = 2835/252
4. Add the two like fractions:
   360/252 + 2835/252 = 360 + 2835/252 = 3195/252
5. 3195/252 simplified gives 355/28
6. So, 90/63 + 45/4 = 355/28
   In mixed form: 1219/28

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