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Add 20/40 and 25/18

1st number: 20/40, 2nd number: 1 7/18

20/40 + 25/18 is 17/9.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 40 × 9 = 360,
    20/40 = 20 × 9/40 × 9 = 180/360
  3. Likewise, for the 2nd fraction, since 18 × 20 = 360,
    25/18 = 25 × 20/18 × 20 = 500/360
  4. Add the two like fractions:
    180/360 + 500/360 = 180 + 500/360 = 680/360
  5. 680/360 simplified gives 17/9
  6. So, 20/40 + 25/18 = 17/9
    In mixed form: 18/9

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