Answers

Add 84/80 and 75/84

1^st number: 1 4/80, 2^nd number: 75/84

84/80 + 75/84 is 68/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 84 is 1680
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1680
2. For the 1st fraction, since 80 × 21 = 1680,
   84/80 = 84 × 21/80 × 21 = 1764/1680
3. Likewise, for the 2nd fraction, since 84 × 20 = 1680,
   75/84 = 75 × 20/84 × 20 = 1500/1680
4. Add the two like fractions:
   1764/1680 + 1500/1680 = 1764 + 1500/1680 = 3264/1680
5. 3264/1680 simplified gives 68/35
6. So, 84/80 + 75/84 = 68/35
   In mixed form: 133/35

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