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Add 18/45 and 42/25

1st number: 18/45, 2nd number: 1 17/25

18/45 + 42/25 is 52/25.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 25 is 225

    Next, find the equivalent fraction of both fractional numbers with denominator 225
  2. For the 1st fraction, since 45 × 5 = 225,
    18/45 = 18 × 5/45 × 5 = 90/225
  3. Likewise, for the 2nd fraction, since 25 × 9 = 225,
    42/25 = 42 × 9/25 × 9 = 378/225
  4. Add the two like fractions:
    90/225 + 378/225 = 90 + 378/225 = 468/225
  5. 468/225 simplified gives 52/25
  6. So, 18/45 + 42/25 = 52/25
    In mixed form: 22/25

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