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Add 3/40 and 56/90

3/40 + 56/90 is 251/360.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 90 is 360
  2. For the 1st fraction, since 40 × 9 = 360,
    3/40 = 3 × 9/40 × 9 = 27/360
  3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
    56/90 = 56 × 4/90 × 4 = 224/360
  4. Add the two fractions:
    27/360 + 224/360 = 27 + 224/360 = 251/360

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