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Add 42/5 and 20/30

1st number: 8 2/5, 2nd number: 20/30

42/5 + 20/30 is 136/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 30 is 30
  2. For the 1st fraction, since 5 × 6 = 30,
    42/5 = 42 × 6/5 × 6 = 252/30
  3. Likewise, for the 2nd fraction, since 30 × 1 = 30,
    20/30 = 20 × 1/30 × 1 = 20/30
  4. Add the two fractions:
    252/30 + 20/30 = 252 + 20/30 = 272/30
  5. After reducing the fraction, the answer is 136/15
  6. In mixed form: 91/15

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