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Add 10/28 and 42/54

10/28 + 42/54 is 143/126.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 54 is 756

    Next, find the equivalent fraction of both fractional numbers with denominator 756
  2. For the 1st fraction, since 28 × 27 = 756,
    10/28 = 10 × 27/28 × 27 = 270/756
  3. Likewise, for the 2nd fraction, since 54 × 14 = 756,
    42/54 = 42 × 14/54 × 14 = 588/756
  4. Add the two like fractions:
    270/756 + 588/756 = 270 + 588/756 = 858/756
  5. 858/756 simplified gives 143/126
  6. So, 10/28 + 42/54 = 143/126
    In mixed form: 117/126

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