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Add 2/40 and 4/90

2/40 + 4/90 is 17/180.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 90 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 40 × 9 = 360,
    2/40 = 2 × 9/40 × 9 = 18/360
  3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
    4/90 = 4 × 4/90 × 4 = 16/360
  4. Add the two like fractions:
    18/360 + 16/360 = 18 + 16/360 = 34/360
  5. 34/360 simplified gives 17/180
  6. So, 2/40 + 4/90 = 17/180

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