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Add 40/9 and 21/72

1st number: 4 4/9, 2nd number: 21/72

40/9 + 21/72 is 341/72.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 72 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 9 × 8 = 72,
    40/9 = 40 × 8/9 × 8 = 320/72
  3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
    21/72 = 21 × 1/72 × 1 = 21/72
  4. Add the two like fractions:
    320/72 + 21/72 = 320 + 21/72 = 341/72
  5. So, 40/9 + 21/72 = 341/72
    In mixed form: 453/72

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