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Add 54/60 and 18/35

54/60 + 18/35 is 99/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 35 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 60 × 7 = 420,
    54/60 = 54 × 7/60 × 7 = 378/420
  3. Likewise, for the 2nd fraction, since 35 × 12 = 420,
    18/35 = 18 × 12/35 × 12 = 216/420
  4. Add the two like fractions:
    378/420 + 216/420 = 378 + 216/420 = 594/420
  5. 594/420 simplified gives 99/70
  6. So, 54/60 + 18/35 = 99/70
    In mixed form: 129/70

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