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Add 15/2 and 54/42

1st number: 7 1/2, 2nd number: 1 12/42

15/2 + 54/42 is 123/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 42 is 42

    Next, find the equivalent fraction of both fractional numbers with denominator 42
  2. For the 1st fraction, since 2 × 21 = 42,
    15/2 = 15 × 21/2 × 21 = 315/42
  3. Likewise, for the 2nd fraction, since 42 × 1 = 42,
    54/42 = 54 × 1/42 × 1 = 54/42
  4. Add the two like fractions:
    315/42 + 54/42 = 315 + 54/42 = 369/42
  5. 369/42 simplified gives 123/14
  6. So, 15/2 + 54/42 = 123/14
    In mixed form: 811/14

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