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Add 42/2 and 5/90

1st number: 21 0/2, 2nd number: 5/90

42/2 + 5/90 is 379/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 90 is 90
  2. For the 1st fraction, since 2 × 45 = 90,
    42/2 = 42 × 45/2 × 45 = 1890/90
  3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
    5/90 = 5 × 1/90 × 1 = 5/90
  4. Add the two fractions:
    1890/90 + 5/90 = 1890 + 5/90 = 1895/90
  5. 1895/90 simplified gives 379/18
  6. So, 42/2 + 5/90 = 379/18
    In mixed form: 211/18

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