Answers

Add 1/84 and 90/28

1^st number: 1/84, 2^nd number: 3 6/28

1/84 + 90/28 is 271/84.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 28 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 84 × 1 = 84,
   1/84 = 1 × 1/84 × 1 = 1/84
3. Likewise, for the 2nd fraction, since 28 × 3 = 84,
   90/28 = 90 × 3/28 × 3 = 270/84
4. Add the two like fractions:
   1/84 + 270/84 = 1 + 270/84 = 271/84
5. So, 1/84 + 90/28 = 271/84
   In mixed form: 319/84

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