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Add 90/56 and 15/12

1st number: 1 34/56, 2nd number: 1 3/12

90/56 + 15/12 is 20/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 12 is 168

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 56 × 3 = 168,
    90/56 = 90 × 3/56 × 3 = 270/168
  3. Likewise, for the 2nd fraction, since 12 × 14 = 168,
    15/12 = 15 × 14/12 × 14 = 210/168
  4. Add the two like fractions:
    270/168 + 210/168 = 270 + 210/168 = 480/168
  5. 480/168 simplified gives 20/7
  6. So, 90/56 + 15/12 = 20/7
    In mixed form: 26/7

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