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Add 42/8 and 4/20

1st number: 5 2/8, 2nd number: 4/20

42/8 + 4/20 is 109/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 20 is 40

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 8 × 5 = 40,
    42/8 = 42 × 5/8 × 5 = 210/40
  3. Likewise, for the 2nd fraction, since 20 × 2 = 40,
    4/20 = 4 × 2/20 × 2 = 8/40
  4. Add the two like fractions:
    210/40 + 8/40 = 210 + 8/40 = 218/40
  5. 218/40 simplified gives 109/20
  6. So, 42/8 + 4/20 = 109/20
    In mixed form: 59/20

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