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Add 42/45 and 42/50

42/45 + 42/50 is 133/75.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 50 is 450

    Next, find the equivalent fraction of both fractional numbers with denominator 450
  2. For the 1st fraction, since 45 × 10 = 450,
    42/45 = 42 × 10/45 × 10 = 420/450
  3. Likewise, for the 2nd fraction, since 50 × 9 = 450,
    42/50 = 42 × 9/50 × 9 = 378/450
  4. Add the two like fractions:
    420/450 + 378/450 = 420 + 378/450 = 798/450
  5. 798/450 simplified gives 133/75
  6. So, 42/45 + 42/50 = 133/75
    In mixed form: 158/75

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