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Add 4/40 and 7/9

4/40 + 7/9 is 79/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 9 is 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 9 × 40 = 360,
    7/9 = 7 × 40/9 × 40 = 280/360
  4. Add the two fractions:
    36/360 + 280/360 = 36 + 280/360 = 316/360
  5. After reducing the fraction, the answer is 79/90

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