Answers

Add 50/15 and 7/84

1^st number: 3 5/15, 2^nd number: 7/84

50/15 + 7/84 is 41/12.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 84 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 15 × 28 = 420,
   50/15 = 50 × 28/15 × 28 = 1400/420
3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
   7/84 = 7 × 5/84 × 5 = 35/420
4. Add the two like fractions:
   1400/420 + 35/420 = 1400 + 35/420 = 1435/420
5. 1435/420 simplified gives 41/12
6. So, 50/15 + 7/84 = 41/12
   In mixed form: 35/12

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