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Add 40/10 and 5/18

1st number: 4 0/10, 2nd number: 5/18

40/10 + 5/18 is 77/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 18 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 10 × 9 = 90,
    40/10 = 40 × 9/10 × 9 = 360/90
  3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
    5/18 = 5 × 5/18 × 5 = 25/90
  4. Add the two like fractions:
    360/90 + 25/90 = 360 + 25/90 = 385/90
  5. 385/90 simplified gives 77/18
  6. So, 40/10 + 5/18 = 77/18
    In mixed form: 45/18

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