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Add 30/7 and 40/9

1st number: 4 2/7, 2nd number: 4 4/9

30/7 + 40/9 is 550/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 9 is 63

    Next, find the equivalent fraction of both fractional numbers with denominator 63
  2. For the 1st fraction, since 7 × 9 = 63,
    30/7 = 30 × 9/7 × 9 = 270/63
  3. Likewise, for the 2nd fraction, since 9 × 7 = 63,
    40/9 = 40 × 7/9 × 7 = 280/63
  4. Add the two like fractions:
    270/63 + 280/63 = 270 + 280/63 = 550/63
  5. So, 30/7 + 40/9 = 550/63
    In mixed form: 846/63

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