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Add 45/9 and 5/21

1st number: 5 0/9, 2nd number: 5/21

45/9 + 5/21 is 110/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 21 is 63

    Next, find the equivalent fraction of both fractional numbers with denominator 63
  2. For the 1st fraction, since 9 × 7 = 63,
    45/9 = 45 × 7/9 × 7 = 315/63
  3. Likewise, for the 2nd fraction, since 21 × 3 = 63,
    5/21 = 5 × 3/21 × 3 = 15/63
  4. Add the two like fractions:
    315/63 + 15/63 = 315 + 15/63 = 330/63
  5. 330/63 simplified gives 110/21
  6. So, 45/9 + 5/21 = 110/21
    In mixed form: 55/21

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