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Add 12/9 and 21/8

1st number: 1 3/9, 2nd number: 2 5/8

12/9 + 21/8 is 95/24.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 8 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 9 × 8 = 72,
    12/9 = 12 × 8/9 × 8 = 96/72
  3. Likewise, for the 2nd fraction, since 8 × 9 = 72,
    21/8 = 21 × 9/8 × 9 = 189/72
  4. Add the two like fractions:
    96/72 + 189/72 = 96 + 189/72 = 285/72
  5. 285/72 simplified gives 95/24
  6. So, 12/9 + 21/8 = 95/24
    In mixed form: 323/24

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