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Add 21/25 and 42/9

1st number: 21/25, 2nd number: 4 6/9

21/25 + 42/9 is 413/75.

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,
    42/9 = 42 × 25/9 × 25 = 1050/225
  4. Add the two like fractions:
    189/225 + 1050/225 = 189 + 1050/225 = 1239/225
  5. 1239/225 simplified gives 413/75
  6. So, 21/25 + 42/9 = 413/75
    In mixed form: 538/75

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