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Add 90/28 and 15/12

1st number: 3 6/28, 2nd number: 1 3/12

90/28 + 15/12 is 125/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 12 is 84
  2. For the 1st fraction, since 28 × 3 = 84,
    90/28 = 90 × 3/28 × 3 = 270/84
  3. Likewise, for the 2nd fraction, since 12 × 7 = 84,
    15/12 = 15 × 7/12 × 7 = 105/84
  4. Add the two fractions:
    270/84 + 105/84 = 270 + 105/84 = 375/84
  5. 375/84 simplified gives 125/28
  6. So, 90/28 + 15/12 = 125/28
    In mixed form: 413/28

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