Answers

Add 63/16 and 56/90

1^st number: 3 15/16, 2^nd number: 56/90

63/16 + 56/90 is 3283/720.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 16 and 90 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 16 × 45 = 720,
   63/16 = 63 × 45/16 × 45 = 2835/720
3. Likewise, for the 2nd fraction, since 90 × 8 = 720,
   56/90 = 56 × 8/90 × 8 = 448/720
4. Add the two like fractions:
   2835/720 + 448/720 = 2835 + 448/720 = 3283/720
5. So, 63/16 + 56/90 = 3283/720
   In mixed form: 4403/720

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