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Add 1/40 and 7/45

1/40 + 7/45 is 13/72.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 45 is 360
  2. For the 1st fraction, since 40 × 9 = 360,
    1/40 = 1 × 9/40 × 9 = 9/360
  3. Likewise, for the 2nd fraction, since 45 × 8 = 360,
    7/45 = 7 × 8/45 × 8 = 56/360
  4. Add the two fractions:
    9/360 + 56/360 = 9 + 56/360 = 65/360
  5. After reducing the fraction, the answer is 13/72

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