Answers

Add 80/4 and 45/84

1^st number: 20 0/4, 2^nd number: 45/84

80/4 + 45/84 is 575/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 84 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 4 × 21 = 84,
   80/4 = 80 × 21/4 × 21 = 1680/84
3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
   45/84 = 45 × 1/84 × 1 = 45/84
4. Add the two like fractions:
   1680/84 + 45/84 = 1680 + 45/84 = 1725/84
5. 1725/84 simplified gives 575/28
6. So, 80/4 + 45/84 = 575/28
   In mixed form: 2015/28

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