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Add 40/21 and 35/9

1st number: 1 19/21, 2nd number: 3 8/9

40/21 + 35/9 is 365/63.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 63
  2. For the 1st fraction, since 21 × 3 = 63,
    40/21 = 40 × 3/21 × 3 = 120/63
  3. Likewise, for the 2nd fraction, since 9 × 7 = 63,
    35/9 = 35 × 7/9 × 7 = 245/63
  4. Add the two like fractions:
    120/63 + 245/63 = 120 + 245/63 = 365/63
  5. So, 40/21 + 35/9 = 365/63
    In mixed form: 550/63

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