Answers

Add 84/35 and 80/60

1^st number: 2 14/35, 2^nd number: 1 20/60

84/35 + 80/60 is 56/15.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 60 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 35 × 12 = 420,
   84/35 = 84 × 12/35 × 12 = 1008/420
3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
   80/60 = 80 × 7/60 × 7 = 560/420
4. Add the two like fractions:
   1008/420 + 560/420 = 1008 + 560/420 = 1568/420
5. 1568/420 simplified gives 56/15
6. So, 84/35 + 80/60 = 56/15
   In mixed form: 311/15

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