Answers

Add 72/84 and 3/35

72/84 + 3/35 is 33/35.

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,
   72/84 = 72 × 5/84 × 5 = 360/420
3. Likewise, for the 2nd fraction, since 35 × 12 = 420,
   3/35 = 3 × 12/35 × 12 = 36/420
4. Add the two like fractions:
   360/420 + 36/420 = 360 + 36/420 = 396/420
5. 396/420 simplified gives 33/35
6. So, 72/84 + 3/35 = 33/35

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