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Add 1/42 and 90/56

1st number: 1/42, 2nd number: 1 34/56

1/42 + 90/56 is 137/84.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 56 is 168

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 42 × 4 = 168,
    1/42 = 1 × 4/42 × 4 = 4/168
  3. Likewise, for the 2nd fraction, since 56 × 3 = 168,
    90/56 = 90 × 3/56 × 3 = 270/168
  4. Add the two like fractions:
    4/168 + 270/168 = 4 + 270/168 = 274/168
  5. 274/168 simplified gives 137/84
  6. So, 1/42 + 90/56 = 137/84
    In mixed form: 153/84

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