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Add 64/45 and 40/56

1st number: 1 19/45, 2nd number: 40/56

64/45 + 40/56 is 673/315.

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,
    64/45 = 64 × 56/45 × 56 = 3584/2520
  3. Likewise, for the 2nd fraction, since 56 × 45 = 2520,
    40/56 = 40 × 45/56 × 45 = 1800/2520
  4. Add the two like fractions:
    3584/2520 + 1800/2520 = 3584 + 1800/2520 = 5384/2520
  5. 5384/2520 simplified gives 673/315
  6. So, 64/45 + 40/56 = 673/315
    In mixed form: 243/315

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