Answers

Add 12/60 and 84/42

1^st number: 12/60, 2^nd number: 2 0/42

12/60 + 84/42 is 11/5.

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,
   12/60 = 12 × 7/60 × 7 = 84/420
3. Likewise, for the 2nd fraction, since 42 × 10 = 420,
   84/42 = 84 × 10/42 × 10 = 840/420
4. Add the two like fractions:
   84/420 + 840/420 = 84 + 840/420 = 924/420
5. 924/420 simplified gives 11/5
6. So, 12/60 + 84/42 = 11/5
   In mixed form: 21/5

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