Answers

Add 25/84 and 40/60

25/84 + 40/60 is 27/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 60 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 60 × 7 = 420,
   40/60 = 40 × 7/60 × 7 = 280/420
4. Add the two like fractions:
   125/420 + 280/420 = 125 + 280/420 = 405/420
5. 405/420 simplified gives 27/28
6. So, 25/84 + 40/60 = 27/28

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