Answers

Add 35/84 and 81/5

1^st number: 35/84, 2^nd number: 16 1/5

35/84 + 81/5 is 997/60.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 5 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 84 × 5 = 420,
   35/84 = 35 × 5/84 × 5 = 175/420
3. Likewise, for the 2nd fraction, since 5 × 84 = 420,
   81/5 = 81 × 84/5 × 84 = 6804/420
4. Add the two like fractions:
   175/420 + 6804/420 = 175 + 6804/420 = 6979/420
5. 6979/420 simplified gives 997/60
6. So, 35/84 + 81/5 = 997/60
   In mixed form: 1637/60

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