Answers

Add 90/63 and 40/36

1^st number: 1 27/63, 2^nd number: 1 4/36

90/63 + 40/36 is 160/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 36 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 36 × 7 = 252,
   40/36 = 40 × 7/36 × 7 = 280/252
4. Add the two like fractions:
   360/252 + 280/252 = 360 + 280/252 = 640/252
5. 640/252 simplified gives 160/63
6. So, 90/63 + 40/36 = 160/63
   In mixed form: 234/63

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