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Add 1/2 and 42/90

1/2 + 42/90 is 29/30.

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,
    1/2 = 1 × 45/2 × 45 = 45/90
  3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
    42/90 = 42 × 1/90 × 1 = 42/90
  4. Add the two fractions:
    45/90 + 42/90 = 45 + 42/90 = 87/90
  5. 87/90 simplified gives 29/30
  6. So, 1/2 + 42/90 = 29/30

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