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Add 5/2 and 42/90

1st number: 2 1/2, 2nd number: 42/90

5/2 + 42/90 is 89/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 90 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 2 × 45 = 90,
    5/2 = 5 × 45/2 × 45 = 225/90
  3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
    42/90 = 42 × 1/90 × 1 = 42/90
  4. Add the two like fractions:
    225/90 + 42/90 = 225 + 42/90 = 267/90
  5. 267/90 simplified gives 89/30
  6. So, 5/2 + 42/90 = 89/30
    In mixed form: 229/30

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