Answers

Add 84/8 and 81/60

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

84/8 + 81/60 is 237/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 8 and 60 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 8 × 15 = 120,
   84/8 = 84 × 15/8 × 15 = 1260/120
3. Likewise, for the 2nd fraction, since 60 × 2 = 120,
   81/60 = 81 × 2/60 × 2 = 162/120
4. Add the two like fractions:
   1260/120 + 162/120 = 1260 + 162/120 = 1422/120
5. 1422/120 simplified gives 237/20
6. So, 84/8 + 81/60 = 237/20
   In mixed form: 1117/20

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