Answers

Add 81/10 and 35/84

1^st number: 8 1/10, 2^nd number: 35/84

81/10 + 35/84 is 511/60.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 84 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 10 × 42 = 420,
   81/10 = 81 × 42/10 × 42 = 3402/420
3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
   35/84 = 35 × 5/84 × 5 = 175/420
4. Add the two like fractions:
   3402/420 + 175/420 = 3402 + 175/420 = 3577/420
5. 3577/420 simplified gives 511/60
6. So, 81/10 + 35/84 = 511/60
   In mixed form: 831/60

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