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Add 45/25 and 9/42

1st number: 1 20/25, 2nd number: 9/42

45/25 + 9/42 is 141/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 42 is 1050

    Next, find the equivalent fraction of both fractional numbers with denominator 1050
  2. For the 1st fraction, since 25 × 42 = 1050,
    45/25 = 45 × 42/25 × 42 = 1890/1050
  3. Likewise, for the 2nd fraction, since 42 × 25 = 1050,
    9/42 = 9 × 25/42 × 25 = 225/1050
  4. Add the two like fractions:
    1890/1050 + 225/1050 = 1890 + 225/1050 = 2115/1050
  5. 2115/1050 simplified gives 141/70
  6. So, 45/25 + 9/42 = 141/70
    In mixed form: 21/70

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