Answers

Add 30/84 and 90/7

1^st number: 30/84, 2^nd number: 12 6/7

30/84 + 90/7 is 185/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 7 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 84 × 1 = 84,
   30/84 = 30 × 1/84 × 1 = 30/84
3. Likewise, for the 2nd fraction, since 7 × 12 = 84,
   90/7 = 90 × 12/7 × 12 = 1080/84
4. Add the two like fractions:
   30/84 + 1080/84 = 30 + 1080/84 = 1110/84
5. 1110/84 simplified gives 185/14
6. So, 30/84 + 90/7 = 185/14
   In mixed form: 133/14

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