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Add 81/7 and 15/54

1st number: 11 4/7, 2nd number: 15/54

81/7 + 15/54 is 1493/126.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 54 is 378

    Next, find the equivalent fraction of both fractional numbers with denominator 378
  2. For the 1st fraction, since 7 × 54 = 378,
    81/7 = 81 × 54/7 × 54 = 4374/378
  3. Likewise, for the 2nd fraction, since 54 × 7 = 378,
    15/54 = 15 × 7/54 × 7 = 105/378
  4. Add the two like fractions:
    4374/378 + 105/378 = 4374 + 105/378 = 4479/378
  5. 4479/378 simplified gives 1493/126
  6. So, 81/7 + 15/54 = 1493/126
    In mixed form: 11107/126

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