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Add 1/2 and 20/45

1/2 + 20/45 is 17/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 45 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 45 × 2 = 90,
    20/45 = 20 × 2/45 × 2 = 40/90
  4. Add the two fractions:
    45/90 + 40/90 = 45 + 40/90 = 85/90
  5. After reducing the fraction, the answer is 17/18

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