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Add 90/12 and 28/45

1st number: 7 6/12, 2nd number: 28/45

90/12 + 28/45 is 731/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 45 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 12 × 15 = 180,
    90/12 = 90 × 15/12 × 15 = 1350/180
  3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
    28/45 = 28 × 4/45 × 4 = 112/180
  4. Add the two like fractions:
    1350/180 + 112/180 = 1350 + 112/180 = 1462/180
  5. 1462/180 simplified gives 731/90
  6. So, 90/12 + 28/45 = 731/90
    In mixed form: 811/90

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