Answers

Add 84/42 and 18/60

1^st number: 2 0/42, 2^nd number: 18/60

84/42 + 18/60 is 23/10.

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,
   84/42 = 84 × 10/42 × 10 = 840/420
3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
   18/60 = 18 × 7/60 × 7 = 126/420
4. Add the two like fractions:
   840/420 + 126/420 = 840 + 126/420 = 966/420
5. 966/420 simplified gives 23/10
6. So, 84/42 + 18/60 = 23/10
   In mixed form: 23/10

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