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Add 20/5 and 15/10

1st number: 4 0/5, 2nd number: 1 5/10

20/5 + 15/10 is 11/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 10 is 10
  2. For the 1st fraction, since 5 × 2 = 10,
    20/5 = 20 × 2/5 × 2 = 40/10
  3. Likewise, for the 2nd fraction, since 10 × 1 = 10,
    15/10 = 15 × 1/10 × 1 = 15/10
  4. Add the two fractions:
    40/10 + 15/10 = 40 + 15/10 = 55/10
  5. After reducing the fraction, the answer is 11/2
  6. In mixed form: 51/2

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