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Add 10/36 and 21/54

10/36 + 21/54 is 2/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 54 is 108

    Next, find the equivalent fraction of both fractional numbers with denominator 108
  2. For the 1st fraction, since 36 × 3 = 108,
    10/36 = 10 × 3/36 × 3 = 30/108
  3. Likewise, for the 2nd fraction, since 54 × 2 = 108,
    21/54 = 21 × 2/54 × 2 = 42/108
  4. Add the two like fractions:
    30/108 + 42/108 = 30 + 42/108 = 72/108
  5. 72/108 simplified gives 2/3
  6. So, 10/36 + 21/54 = 2/3

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