Answers

Add 80/45 and 70/84

1^st number: 1 35/45, 2^nd number: 70/84

80/45 + 70/84 is 47/18.

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,
   80/45 = 80 × 28/45 × 28 = 2240/1260
3. Likewise, for the 2nd fraction, since 84 × 15 = 1260,
   70/84 = 70 × 15/84 × 15 = 1050/1260
4. Add the two like fractions:
   2240/1260 + 1050/1260 = 2240 + 1050/1260 = 3290/1260
5. 3290/1260 simplified gives 47/18
6. So, 80/45 + 70/84 = 47/18
   In mixed form: 211/18

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