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Add 21/2 and 18/25

1st number: 10 1/2, 2nd number: 18/25

21/2 + 18/25 is 561/50.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 25 is 50

    Next, find the equivalent fraction of both fractional numbers with denominator 50
  2. For the 1st fraction, since 2 × 25 = 50,
    21/2 = 21 × 25/2 × 25 = 525/50
  3. Likewise, for the 2nd fraction, since 25 × 2 = 50,
    18/25 = 18 × 2/25 × 2 = 36/50
  4. Add the two like fractions:
    525/50 + 36/50 = 525 + 36/50 = 561/50
  5. So, 21/2 + 18/25 = 561/50
    In mixed form: 1111/50

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