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Add 25/2 and 42/90

1st number: 12 1/2, 2nd number: 42/90

25/2 + 42/90 is 389/30.

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,
    25/2 = 25 × 45/2 × 45 = 1125/90
  3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
    42/90 = 42 × 1/90 × 1 = 42/90
  4. Add the two like fractions:
    1125/90 + 42/90 = 1125 + 42/90 = 1167/90
  5. 1167/90 simplified gives 389/30
  6. So, 25/2 + 42/90 = 389/30
    In mixed form: 1229/30

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