Answers

Add 64/12 and 30/90

1^st number: 5 4/12, 2^nd number: 30/90

64/12 + 30/90 is 17/3.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 90 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 12 × 15 = 180,
   64/12 = 64 × 15/12 × 15 = 960/180
3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
   30/90 = 30 × 2/90 × 2 = 60/180
4. Add the two like fractions:
   960/180 + 60/180 = 960 + 60/180 = 1020/180
5. 1020/180 simplified gives 17/3
6. So, 64/12 + 30/90 = 17/3
   In mixed form: 52/3

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