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Add 8/42 and 21/36

8/42 + 21/36 is 65/84.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 36 is 252
  2. For the 1st fraction, since 42 × 6 = 252,
    8/42 = 8 × 6/42 × 6 = 48/252
  3. Likewise, for the 2nd fraction, since 36 × 7 = 252,
    21/36 = 21 × 7/36 × 7 = 147/252
  4. Add the two fractions:
    48/252 + 147/252 = 48 + 147/252 = 195/252
  5. 195/252 simplified gives 65/84
  6. So, 8/42 + 21/36 = 65/84

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