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Add 18/10 and 40/9

1st number: 1 8/10, 2nd number: 4 4/9

18/10 + 40/9 is 281/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 9 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 10 × 9 = 90,
    18/10 = 18 × 9/10 × 9 = 162/90
  3. Likewise, for the 2nd fraction, since 9 × 10 = 90,
    40/9 = 40 × 10/9 × 10 = 400/90
  4. Add the two like fractions:
    162/90 + 400/90 = 162 + 400/90 = 562/90
  5. 562/90 simplified gives 281/45
  6. So, 18/10 + 40/9 = 281/45
    In mixed form: 611/45

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