Answers

Add 36/20 and 15/84

1^st number: 1 16/20, 2^nd number: 15/84

36/20 + 15/84 is 277/140.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 84 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 20 × 21 = 420,
   36/20 = 36 × 21/20 × 21 = 756/420
3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
   15/84 = 15 × 5/84 × 5 = 75/420
4. Add the two like fractions:
   756/420 + 75/420 = 756 + 75/420 = 831/420
5. 831/420 simplified gives 277/140
6. So, 36/20 + 15/84 = 277/140
   In mixed form: 1137/140

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