Answers

Add 12/84 and 72/50

1^st number: 12/84, 2^nd number: 1 22/50

12/84 + 72/50 is 277/175.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 50 is 2100
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2100
2. For the 1st fraction, since 84 × 25 = 2100,
   12/84 = 12 × 25/84 × 25 = 300/2100
3. Likewise, for the 2nd fraction, since 50 × 42 = 2100,
   72/50 = 72 × 42/50 × 42 = 3024/2100
4. Add the two like fractions:
   300/2100 + 3024/2100 = 300 + 3024/2100 = 3324/2100
5. 3324/2100 simplified gives 277/175
6. So, 12/84 + 72/50 = 277/175
   In mixed form: 1102/175

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