Answers

Add 12/84 and 42/35

1^st number: 12/84, 2^nd number: 1 7/35

12/84 + 42/35 is 47/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 35 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 84 × 5 = 420,
   12/84 = 12 × 5/84 × 5 = 60/420
3. Likewise, for the 2nd fraction, since 35 × 12 = 420,
   42/35 = 42 × 12/35 × 12 = 504/420
4. Add the two like fractions:
   60/420 + 504/420 = 60 + 504/420 = 564/420
5. 564/420 simplified gives 47/35
6. So, 12/84 + 42/35 = 47/35
   In mixed form: 112/35

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