Answers

Add 84/45 and 80/84

1^st number: 1 39/45, 2^nd number: 80/84

84/45 + 80/84 is 296/105.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 84 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 45 × 28 = 1260,
   84/45 = 84 × 28/45 × 28 = 2352/1260
3. Likewise, for the 2nd fraction, since 84 × 15 = 1260,
   80/84 = 80 × 15/84 × 15 = 1200/1260
4. Add the two like fractions:
   2352/1260 + 1200/1260 = 2352 + 1200/1260 = 3552/1260
5. 3552/1260 simplified gives 296/105
6. So, 84/45 + 80/84 = 296/105
   In mixed form: 286/105

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