Answers

Add 1/2 and 2/5

1/2 + 2/5 is 9/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 2 and 5 is 10
2. For the 1st fraction, since 2 × 5 = 10,
   1/2 = 1 × 5/2 × 5 = 5/10
3. Likewise, for the 2nd fraction, since 5 × 2 = 10,
   2/5 = 2 × 2/5 × 2 = 4/10
4. Add the two fractions:
   5/10 + 4/10 = 5 + 4/10 = 9/10

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