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Add 12/45 and 42/56

12/45 + 42/56 is 61/60.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 56 is 2520

    Next, find the equivalent fraction of both fractional numbers with denominator 2520
  2. For the 1st fraction, since 45 × 56 = 2520,
    12/45 = 12 × 56/45 × 56 = 672/2520
  3. Likewise, for the 2nd fraction, since 56 × 45 = 2520,
    42/56 = 42 × 45/56 × 45 = 1890/2520
  4. Add the two like fractions:
    672/2520 + 1890/2520 = 672 + 1890/2520 = 2562/2520
  5. 2562/2520 simplified gives 61/60
  6. So, 12/45 + 42/56 = 61/60
    In mixed form: 11/60

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