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Add 3/56 and 12/45

3/56 + 12/45 is 269/840.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 2520
  2. For the 1st fraction, since 56 × 45 = 2520,
    3/56 = 3 × 45/56 × 45 = 135/2520
  3. Likewise, for the 2nd fraction, since 45 × 56 = 2520,
    12/45 = 12 × 56/45 × 56 = 672/2520
  4. Add the two like fractions:
    135/2520 + 672/2520 = 135 + 672/2520 = 807/2520
  5. 807/2520 simplified gives 269/840
  6. So, 3/56 + 12/45 = 269/840

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