Answers

Add 5/42 and 4/10

5/42 + 4/10 is 109/210.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 10 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 42 × 5 = 210,
   5/42 = 5 × 5/42 × 5 = 25/210
3. Likewise, for the 2nd fraction, since 10 × 21 = 210,
   4/10 = 4 × 21/10 × 21 = 84/210
4. Add the two like fractions:
   25/210 + 84/210 = 25 + 84/210 = 109/210
5. So, 5/42 + 4/10 = 109/210

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