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Add 4/40 and 5/90

4/40 + 5/90 is 7/45.

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,
    4/40 = 4 × 9/40 × 9 = 36/360
  3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
    5/90 = 5 × 4/90 × 4 = 20/360
  4. Add the two like fractions:
    36/360 + 20/360 = 36 + 20/360 = 56/360
  5. 56/360 simplified gives 7/45
  6. So, 4/40 + 5/90 = 7/45

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