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Add 45/4 and 42/45

1st number: 11 1/4, 2nd number: 42/45

45/4 + 42/45 is 731/60.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 45 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 4 × 45 = 180,
    45/4 = 45 × 45/4 × 45 = 2025/180
  3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
    42/45 = 42 × 4/45 × 4 = 168/180
  4. Add the two like fractions:
    2025/180 + 168/180 = 2025 + 168/180 = 2193/180
  5. 2193/180 simplified gives 731/60
  6. So, 45/4 + 42/45 = 731/60
    In mixed form: 1211/60

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