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Add 10/36 and 8/21

10/36 + 8/21 is 83/126.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 21 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 36 × 7 = 252,
    10/36 = 10 × 7/36 × 7 = 70/252
  3. Likewise, for the 2nd fraction, since 21 × 12 = 252,
    8/21 = 8 × 12/21 × 12 = 96/252
  4. Add the two like fractions:
    70/252 + 96/252 = 70 + 96/252 = 166/252
  5. 166/252 simplified gives 83/126
  6. So, 10/36 + 8/21 = 83/126

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