Answers

Add 63/84 and 18/35

63/84 + 18/35 is 177/140.

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,
   63/84 = 63 × 5/84 × 5 = 315/420
3. Likewise, for the 2nd fraction, since 35 × 12 = 420,
   18/35 = 18 × 12/35 × 12 = 216/420
4. Add the two like fractions:
   315/420 + 216/420 = 315 + 216/420 = 531/420
5. 531/420 simplified gives 177/140
6. So, 63/84 + 18/35 = 177/140
   In mixed form: 137/140

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