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Add 28/60 and 42/54

28/60 + 42/54 is 56/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 54 is 540
  2. For the 1st fraction, since 60 × 9 = 540,
    28/60 = 28 × 9/60 × 9 = 252/540
  3. Likewise, for the 2nd fraction, since 54 × 10 = 540,
    42/54 = 42 × 10/54 × 10 = 420/540
  4. Add the two fractions:
    252/540 + 420/540 = 252 + 420/540 = 672/540
  5. 672/540 simplified gives 56/45
  6. So, 28/60 + 42/54 = 56/45
    In mixed form: 111/45

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