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Add 84/60 and 56/90

1st number: 1 24/60, 2nd number: 56/90

84/60 + 56/90 is 91/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 90 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 60 × 3 = 180,
    84/60 = 84 × 3/60 × 3 = 252/180
  3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
    56/90 = 56 × 2/90 × 2 = 112/180
  4. Add the two like fractions:
    252/180 + 112/180 = 252 + 112/180 = 364/180
  5. 364/180 simplified gives 91/45
  6. So, 84/60 + 56/90 = 91/45
    In mixed form: 21/45

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