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Add 20/9 and 21/72

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

20/9 + 21/72 is 181/72.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 72 is 72
  2. For the 1st fraction, since 9 × 8 = 72,
    20/9 = 20 × 8/9 × 8 = 160/72
  3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
    21/72 = 21 × 1/72 × 1 = 21/72
  4. Add the two fractions:
    160/72 + 21/72 = 160 + 21/72 = 181/72
  5. So, 20/9 + 21/72 = 181/72
    In mixed form: 237/72

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