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Add 10/18 and 40/45

10/18 + 40/45 is 13/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 45 is 90
  2. For the 1st fraction, since 18 × 5 = 90,
    10/18 = 10 × 5/18 × 5 = 50/90
  3. Likewise, for the 2nd fraction, since 45 × 2 = 90,
    40/45 = 40 × 2/45 × 2 = 80/90
  4. Add the two fractions:
    50/90 + 80/90 = 50 + 80/90 = 130/90
  5. After reducing the fraction, the answer is 13/9
  6. In mixed form: 14/9

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