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Add 21/45 and 15/50

21/45 + 15/50 is 23/30.

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,
    21/45 = 21 × 10/45 × 10 = 210/450
  3. Likewise, for the 2nd fraction, since 50 × 9 = 450,
    15/50 = 15 × 9/50 × 9 = 135/450
  4. Add the two like fractions:
    210/450 + 135/450 = 210 + 135/450 = 345/450
  5. 345/450 simplified gives 23/30
  6. So, 21/45 + 15/50 = 23/30

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