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Add 21/25 and 18/9

1st number: 21/25, 2nd number: 2 0/9

21/25 + 18/9 is 71/25.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 9 is 225

    Next, find the equivalent fraction of both fractional numbers with denominator 225
  2. For the 1st fraction, since 25 × 9 = 225,
    21/25 = 21 × 9/25 × 9 = 189/225
  3. Likewise, for the 2nd fraction, since 9 × 25 = 225,
    18/9 = 18 × 25/9 × 25 = 450/225
  4. Add the two like fractions:
    189/225 + 450/225 = 189 + 450/225 = 639/225
  5. 639/225 simplified gives 71/25
  6. So, 21/25 + 18/9 = 71/25
    In mixed form: 221/25

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