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Add 20/40 and 35/90

20/40 + 35/90 is 8/9.

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,
    20/40 = 20 × 9/40 × 9 = 180/360
  3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
    35/90 = 35 × 4/90 × 4 = 140/360
  4. Add the two like fractions:
    180/360 + 140/360 = 180 + 140/360 = 320/360
  5. 320/360 simplified gives 8/9
  6. So, 20/40 + 35/90 = 8/9

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