Answers

Add 3/84 and 10/30

3/84 + 10/30 is 31/84.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 30 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 84 × 5 = 420,
   3/84 = 3 × 5/84 × 5 = 15/420
3. Likewise, for the 2nd fraction, since 30 × 14 = 420,
   10/30 = 10 × 14/30 × 14 = 140/420
4. Add the two like fractions:
   15/420 + 140/420 = 15 + 140/420 = 155/420
5. 155/420 simplified gives 31/84
6. So, 3/84 + 10/30 = 31/84

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