Answers

Add 54/14 and 30/90

1^st number: 3 12/14, 2^nd number: 30/90

54/14 + 30/90 is 88/21.

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,
   54/14 = 54 × 45/14 × 45 = 2430/630
3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
   30/90 = 30 × 7/90 × 7 = 210/630
4. Add the two like fractions:
   2430/630 + 210/630 = 2430 + 210/630 = 2640/630
5. 2640/630 simplified gives 88/21
6. So, 54/14 + 30/90 = 88/21
   In mixed form: 44/21

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