Answers

Add 49/84 and 20/12

1^st number: 49/84, 2^nd number: 1 8/12

49/84 + 20/12 is 9/4.

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,
   49/84 = 49 × 1/84 × 1 = 49/84
3. Likewise, for the 2nd fraction, since 12 × 7 = 84,
   20/12 = 20 × 7/12 × 7 = 140/84
4. Add the two like fractions:
   49/84 + 140/84 = 49 + 140/84 = 189/84
5. 189/84 simplified gives 9/4
6. So, 49/84 + 20/12 = 9/4
   In mixed form: 21/4

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