Answers

Add 84/14 and 84/80

1^st number: 6 0/14, 2^nd number: 1 4/80

84/14 + 84/80 is 141/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 14 and 80 is 560
   
   Next, find the equivalent fraction of both fractional numbers with denominator 560
2. For the 1st fraction, since 14 × 40 = 560,
   84/14 = 84 × 40/14 × 40 = 3360/560
3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
   84/80 = 84 × 7/80 × 7 = 588/560
4. Add the two like fractions:
   3360/560 + 588/560 = 3360 + 588/560 = 3948/560
5. 3948/560 simplified gives 141/20
6. So, 84/14 + 84/80 = 141/20
   In mixed form: 71/20

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