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Add 12/14 and 42/45

12/14 + 42/45 is 188/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 45 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 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 45 × 14 = 630,
    42/45 = 42 × 14/45 × 14 = 588/630
  4. Add the two like fractions:
    540/630 + 588/630 = 540 + 588/630 = 1128/630
  5. 1128/630 simplified gives 188/105
  6. So, 12/14 + 42/45 = 188/105
    In mixed form: 183/105

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