Answers

Add 75/30 and 12/84

1^st number: 2 15/30, 2^nd number: 12/84

75/30 + 12/84 is 37/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 84 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 30 × 14 = 420,
   75/30 = 75 × 14/30 × 14 = 1050/420
3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
   12/84 = 12 × 5/84 × 5 = 60/420
4. Add the two like fractions:
   1050/420 + 60/420 = 1050 + 60/420 = 1110/420
5. 1110/420 simplified gives 37/14
6. So, 75/30 + 12/84 = 37/14
   In mixed form: 29/14

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