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Add 54/9 and 42/8

1st number: 6 0/9, 2nd number: 5 2/8

54/9 + 42/8 is 45/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 8 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 9 × 8 = 72,
    54/9 = 54 × 8/9 × 8 = 432/72
  3. Likewise, for the 2nd fraction, since 8 × 9 = 72,
    42/8 = 42 × 9/8 × 9 = 378/72
  4. Add the two like fractions:
    432/72 + 378/72 = 432 + 378/72 = 810/72
  5. 810/72 simplified gives 45/4
  6. So, 54/9 + 42/8 = 45/4
    In mixed form: 111/4

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