Answers

Add 63/84 and 10/80

63/84 + 10/80 is 7/8.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 80 is 1680
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1680
2. For the 1st fraction, since 84 × 20 = 1680,
   63/84 = 63 × 20/84 × 20 = 1260/1680
3. Likewise, for the 2nd fraction, since 80 × 21 = 1680,
   10/80 = 10 × 21/80 × 21 = 210/1680
4. Add the two like fractions:
   1260/1680 + 210/1680 = 1260 + 210/1680 = 1470/1680
5. 1470/1680 simplified gives 7/8
6. So, 63/84 + 10/80 = 7/8

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