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Add 75/28 and 90/12

1st number: 2 19/28, 2nd number: 7 6/12

75/28 + 90/12 is 285/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 12 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 28 × 3 = 84,
    75/28 = 75 × 3/28 × 3 = 225/84
  3. Likewise, for the 2nd fraction, since 12 × 7 = 84,
    90/12 = 90 × 7/12 × 7 = 630/84
  4. Add the two like fractions:
    225/84 + 630/84 = 225 + 630/84 = 855/84
  5. 855/84 simplified gives 285/28
  6. So, 75/28 + 90/12 = 285/28
    In mixed form: 105/28

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