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Add 45/50 and 20/90

45/50 + 20/90 is 101/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 50 and 90 is 450

    Next, find the equivalent fraction of both fractional numbers with denominator 450
  2. For the 1st fraction, since 50 × 9 = 450,
    45/50 = 45 × 9/50 × 9 = 405/450
  3. Likewise, for the 2nd fraction, since 90 × 5 = 450,
    20/90 = 20 × 5/90 × 5 = 100/450
  4. Add the two like fractions:
    405/450 + 100/450 = 405 + 100/450 = 505/450
  5. 505/450 simplified gives 101/90
  6. So, 45/50 + 20/90 = 101/90
    In mixed form: 111/90

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