Answers

Add 25/84 and 8/30

25/84 + 8/30 is 79/140.

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,
   25/84 = 25 × 5/84 × 5 = 125/420
3. Likewise, for the 2nd fraction, since 30 × 14 = 420,
   8/30 = 8 × 14/30 × 14 = 112/420
4. Add the two like fractions:
   125/420 + 112/420 = 125 + 112/420 = 237/420
5. 237/420 simplified gives 79/140
6. So, 25/84 + 8/30 = 79/140

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