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Add 45/10 and 9/40

1st number: 4 5/10, 2nd number: 9/40

45/10 + 9/40 is 189/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 40 is 40
  2. For the 1st fraction, since 10 × 4 = 40,
    45/10 = 45 × 4/10 × 4 = 180/40
  3. Likewise, for the 2nd fraction, since 40 × 1 = 40,
    9/40 = 9 × 1/40 × 1 = 9/40
  4. Add the two fractions:
    180/40 + 9/40 = 180 + 9/40 = 189/40
  5. In mixed form: 429/40

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