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Add 42/20 and 18/56

1st number: 2 2/20, 2nd number: 18/56

42/20 + 18/56 is 339/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 56 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 20 × 14 = 280,
    42/20 = 42 × 14/20 × 14 = 588/280
  3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
    18/56 = 18 × 5/56 × 5 = 90/280
  4. Add the two like fractions:
    588/280 + 90/280 = 588 + 90/280 = 678/280
  5. 678/280 simplified gives 339/140
  6. So, 42/20 + 18/56 = 339/140
    In mixed form: 259/140

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