Answers

Add 30/90 and 63/12

1^st number: 30/90, 2^nd number: 5 3/12

30/90 + 63/12 is 67/12.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 12 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 90 × 2 = 180,
   30/90 = 30 × 2/90 × 2 = 60/180
3. Likewise, for the 2nd fraction, since 12 × 15 = 180,
   63/12 = 63 × 15/12 × 15 = 945/180
4. Add the two like fractions:
   60/180 + 945/180 = 60 + 945/180 = 1005/180
5. 1005/180 simplified gives 67/12
6. So, 30/90 + 63/12 = 67/12
   In mixed form: 57/12

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