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Add 30/8 and 36/9

1st number: 3 6/8, 2nd number: 4 0/9

30/8 + 36/9 is 31/4.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 8 × 9 = 72,
    30/8 = 30 × 9/8 × 9 = 270/72
  3. Likewise, for the 2nd fraction, since 9 × 8 = 72,
    36/9 = 36 × 8/9 × 8 = 288/72
  4. Add the two like fractions:
    270/72 + 288/72 = 270 + 288/72 = 558/72
  5. 558/72 simplified gives 31/4
  6. So, 30/8 + 36/9 = 31/4
    In mixed form: 73/4

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