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Add 4/15 and 42/20

1st number: 4/15, 2nd number: 2 2/20

4/15 + 42/20 is 71/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 20 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 15 × 4 = 60,
    4/15 = 4 × 4/15 × 4 = 16/60
  3. Likewise, for the 2nd fraction, since 20 × 3 = 60,
    42/20 = 42 × 3/20 × 3 = 126/60
  4. Add the two like fractions:
    16/60 + 126/60 = 16 + 126/60 = 142/60
  5. 142/60 simplified gives 71/30
  6. So, 4/15 + 42/20 = 71/30
    In mixed form: 211/30

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