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Add 3/10 and 42/20

1st number: 3/10, 2nd number: 2 2/20

3/10 + 42/20 is 12/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 20 is 20
  2. For the 1st fraction, since 10 × 2 = 20,
    3/10 = 3 × 2/10 × 2 = 6/20
  3. Likewise, for the 2nd fraction, since 20 × 1 = 20,
    42/20 = 42 × 1/20 × 1 = 42/20
  4. Add the two fractions:
    6/20 + 42/20 = 6 + 42/20 = 48/20
  5. After reducing the fraction, the answer is 12/5
  6. In mixed form: 22/5

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