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Add 28/35 and 90/12

1st number: 28/35, 2nd number: 7 6/12

28/35 + 90/12 is 83/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 12 is 420
  2. For the 1st fraction, since 35 × 12 = 420,
    28/35 = 28 × 12/35 × 12 = 336/420
  3. Likewise, for the 2nd fraction, since 12 × 35 = 420,
    90/12 = 90 × 35/12 × 35 = 3150/420
  4. Add the two fractions:
    336/420 + 3150/420 = 336 + 3150/420 = 3486/420
  5. 3486/420 simplified gives 83/10
  6. So, 28/35 + 90/12 = 83/10
    In mixed form: 83/10

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