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Add 9/4 and 42/45

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

9/4 + 42/45 is 191/60.

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,
    9/4 = 9 × 45/4 × 45 = 405/180
  3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
    42/45 = 42 × 4/45 × 4 = 168/180
  4. Add the two like fractions:
    405/180 + 168/180 = 405 + 168/180 = 573/180
  5. 573/180 simplified gives 191/60
  6. So, 9/4 + 42/45 = 191/60
    In mixed form: 311/60

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