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Add 20/36 and 40/42

20/36 + 40/42 is 95/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 42 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 36 × 7 = 252,
    20/36 = 20 × 7/36 × 7 = 140/252
  3. Likewise, for the 2nd fraction, since 42 × 6 = 252,
    40/42 = 40 × 6/42 × 6 = 240/252
  4. Add the two like fractions:
    140/252 + 240/252 = 140 + 240/252 = 380/252
  5. 380/252 simplified gives 95/63
  6. So, 20/36 + 40/42 = 95/63
    In mixed form: 132/63

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