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Add 54/8 and 8/40

1st number: 6 6/8, 2nd number: 8/40

54/8 + 8/40 is 139/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 40 is 40

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 8 × 5 = 40,
    54/8 = 54 × 5/8 × 5 = 270/40
  3. Likewise, for the 2nd fraction, since 40 × 1 = 40,
    8/40 = 8 × 1/40 × 1 = 8/40
  4. Add the two like fractions:
    270/40 + 8/40 = 270 + 8/40 = 278/40
  5. 278/40 simplified gives 139/20
  6. So, 54/8 + 8/40 = 139/20
    In mixed form: 619/20

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