Answers

Add 25/42 and 21/56

25/42 + 21/56 is 163/168.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 56 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 42 × 4 = 168,
   25/42 = 25 × 4/42 × 4 = 100/168
3. Likewise, for the 2nd fraction, since 56 × 3 = 168,
   21/56 = 21 × 3/56 × 3 = 63/168
4. Add the two like fractions:
   100/168 + 63/168 = 100 + 63/168 = 163/168
5. So, 25/42 + 21/56 = 163/168

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