Answers

Add 5/84 and 90/12

1^st number: 5/84, 2^nd number: 7 6/12

5/84 + 90/12 is 635/84.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 12 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 84 × 1 = 84,
   5/84 = 5 × 1/84 × 1 = 5/84
3. Likewise, for the 2nd fraction, since 12 × 7 = 84,
   90/12 = 90 × 7/12 × 7 = 630/84
4. Add the two like fractions:
   5/84 + 630/84 = 5 + 630/84 = 635/84
5. So, 5/84 + 90/12 = 635/84
   In mixed form: 747/84

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