Answers

Add 28/14 and 63/90

1^st number: 2 0/14, 2^nd number: 63/90

28/14 + 63/90 is 27/10.

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,
   28/14 = 28 × 45/14 × 45 = 1260/630
3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
   63/90 = 63 × 7/90 × 7 = 441/630
4. Add the two like fractions:
   1260/630 + 441/630 = 1260 + 441/630 = 1701/630
5. 1701/630 simplified gives 27/10
6. So, 28/14 + 63/90 = 27/10
   In mixed form: 27/10

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