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Add 4/10 and 3/45

4/10 + 3/45 is 7/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 45 is 90
  2. For the 1st fraction, since 10 × 9 = 90,
    4/10 = 4 × 9/10 × 9 = 36/90
  3. Likewise, for the 2nd fraction, since 45 × 2 = 90,
    3/45 = 3 × 2/45 × 2 = 6/90
  4. Add the two fractions:
    36/90 + 6/90 = 36 + 6/90 = 42/90
  5. After reducing the fraction, the answer is 7/15

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