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Add 15/14 and 54/40

1st number: 1 1/14, 2nd number: 1 14/40

15/14 + 54/40 is 339/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 40 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 14 × 20 = 280,
    15/14 = 15 × 20/14 × 20 = 300/280
  3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
    54/40 = 54 × 7/40 × 7 = 378/280
  4. Add the two like fractions:
    300/280 + 378/280 = 300 + 378/280 = 678/280
  5. 678/280 simplified gives 339/140
  6. So, 15/14 + 54/40 = 339/140
    In mixed form: 259/140

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