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Add 12/14 and 28/90

12/14 + 28/90 is 368/315.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 90 is 630
  2. For the 1st fraction, since 14 × 45 = 630,
    12/14 = 12 × 45/14 × 45 = 540/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    28/90 = 28 × 7/90 × 7 = 196/630
  4. Add the two fractions:
    540/630 + 196/630 = 540 + 196/630 = 736/630
  5. After reducing the fraction, the answer is 368/315
  6. In mixed form: 153/315

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