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Add 20/36 and 4/7

20/36 + 4/7 is 71/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 7 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 7 × 36 = 252,
    4/7 = 4 × 36/7 × 36 = 144/252
  4. Add the two like fractions:
    140/252 + 144/252 = 140 + 144/252 = 284/252
  5. 284/252 simplified gives 71/63
  6. So, 20/36 + 4/7 = 71/63
    In mixed form: 18/63

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