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Add 30/4 and 81/7

1st number: 7 2/4, 2nd number: 11 4/7

30/4 + 81/7 is 267/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 7 is 28

    Next, find the equivalent fraction of both fractional numbers with denominator 28
  2. For the 1st fraction, since 4 × 7 = 28,
    30/4 = 30 × 7/4 × 7 = 210/28
  3. Likewise, for the 2nd fraction, since 7 × 4 = 28,
    81/7 = 81 × 4/7 × 4 = 324/28
  4. Add the two like fractions:
    210/28 + 324/28 = 210 + 324/28 = 534/28
  5. 534/28 simplified gives 267/14
  6. So, 30/4 + 81/7 = 267/14
    In mixed form: 191/14

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