Answers

Add 63/14 and 15/90

1^st number: 4 7/14, 2^nd number: 15/90

63/14 + 15/90 is 14/3.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 14 and 90 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 14 × 45 = 630,
   63/14 = 63 × 45/14 × 45 = 2835/630
3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
   15/90 = 15 × 7/90 × 7 = 105/630
4. Add the two like fractions:
   2835/630 + 105/630 = 2835 + 105/630 = 2940/630
5. 2940/630 simplified gives 14/3
6. So, 63/14 + 15/90 = 14/3
   In mixed form: 42/3

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