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Add 21/30 and 28/50

21/30 + 28/50 is 63/50.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 50 is 150

    Next, find the equivalent fraction of both fractional numbers with denominator 150
  2. For the 1st fraction, since 30 × 5 = 150,
    21/30 = 21 × 5/30 × 5 = 105/150
  3. Likewise, for the 2nd fraction, since 50 × 3 = 150,
    28/50 = 28 × 3/50 × 3 = 84/150
  4. Add the two like fractions:
    105/150 + 84/150 = 105 + 84/150 = 189/150
  5. 189/150 simplified gives 63/50
  6. So, 21/30 + 28/50 = 63/50
    In mixed form: 113/50

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