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Add 63/18 and 30/40

1st number: 3 9/18, 2nd number: 30/40

63/18 + 30/40 is 17/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 40 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 18 × 20 = 360,
    63/18 = 63 × 20/18 × 20 = 1260/360
  3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
    30/40 = 30 × 9/40 × 9 = 270/360
  4. Add the two like fractions:
    1260/360 + 270/360 = 1260 + 270/360 = 1530/360
  5. 1530/360 simplified gives 17/4
  6. So, 63/18 + 30/40 = 17/4
    In mixed form: 41/4

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