Answers

Add 12/80 and 50/84

12/80 + 50/84 is 313/420.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 84 is 1680
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1680
2. For the 1st fraction, since 80 × 21 = 1680,
   12/80 = 12 × 21/80 × 21 = 252/1680
3. Likewise, for the 2nd fraction, since 84 × 20 = 1680,
   50/84 = 50 × 20/84 × 20 = 1000/1680
4. Add the two like fractions:
   252/1680 + 1000/1680 = 252 + 1000/1680 = 1252/1680
5. 1252/1680 simplified gives 313/420
6. So, 12/80 + 50/84 = 313/420

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