Answers

Add 84/60 and 27/42

1^st number: 1 24/60, 2^nd number: 27/42

84/60 + 27/42 is 143/70.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 42 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 60 × 7 = 420,
   84/60 = 84 × 7/60 × 7 = 588/420
3. Likewise, for the 2nd fraction, since 42 × 10 = 420,
   27/42 = 27 × 10/42 × 10 = 270/420
4. Add the two like fractions:
   588/420 + 270/420 = 588 + 270/420 = 858/420
5. 858/420 simplified gives 143/70
6. So, 84/60 + 27/42 = 143/70
   In mixed form: 23/70

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