Answers

Add 54/84 and 9/35

54/84 + 9/35 is 9/10.

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,
   54/84 = 54 × 5/84 × 5 = 270/420
3. Likewise, for the 2nd fraction, since 35 × 12 = 420,
   9/35 = 9 × 12/35 × 12 = 108/420
4. Add the two like fractions:
   270/420 + 108/420 = 270 + 108/420 = 378/420
5. 378/420 simplified gives 9/10
6. So, 54/84 + 9/35 = 9/10

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