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Add 18/45 and 42/50

18/45 + 42/50 is 31/25.

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,
    18/45 = 18 × 10/45 × 10 = 180/450
  3. Likewise, for the 2nd fraction, since 50 × 9 = 450,
    42/50 = 42 × 9/50 × 9 = 378/450
  4. Add the two like fractions:
    180/450 + 378/450 = 180 + 378/450 = 558/450
  5. 558/450 simplified gives 31/25
  6. So, 18/45 + 42/50 = 31/25
    In mixed form: 16/25

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