Answers

Add 84/10 and 21/60

1^st number: 8 4/10, 2^nd number: 21/60

84/10 + 21/60 is 35/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 60 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 10 × 6 = 60,
   84/10 = 84 × 6/10 × 6 = 504/60
3. Likewise, for the 2nd fraction, since 60 × 1 = 60,
   21/60 = 21 × 1/60 × 1 = 21/60
4. Add the two like fractions:
   504/60 + 21/60 = 504 + 21/60 = 525/60
5. 525/60 simplified gives 35/4
6. So, 84/10 + 21/60 = 35/4
   In mixed form: 83/4

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