Answers

Add 70/42 and 8/60

1^st number: 1 28/42, 2^nd number: 8/60

70/42 + 8/60 is 9/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 60 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 42 × 10 = 420,
   70/42 = 70 × 10/42 × 10 = 700/420
3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
   8/60 = 8 × 7/60 × 7 = 56/420
4. Add the two like fractions:
   700/420 + 56/420 = 700 + 56/420 = 756/420
5. 756/420 simplified gives 9/5
6. So, 70/42 + 8/60 = 9/5
   In mixed form: 14/5

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