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Add 21/35 and 20/36

21/35 + 20/36 is 52/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 36 is 1260

    Next, find the equivalent fraction of both fractional numbers with denominator 1260
  2. For the 1st fraction, since 35 × 36 = 1260,
    21/35 = 21 × 36/35 × 36 = 756/1260
  3. Likewise, for the 2nd fraction, since 36 × 35 = 1260,
    20/36 = 20 × 35/36 × 35 = 700/1260
  4. Add the two like fractions:
    756/1260 + 700/1260 = 756 + 700/1260 = 1456/1260
  5. 1456/1260 simplified gives 52/45
  6. So, 21/35 + 20/36 = 52/45
    In mixed form: 17/45

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