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Add 20/21 and 40/36

1st number: 20/21, 2nd number: 1 4/36

20/21 + 40/36 is 130/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 36 is 252
  2. For the 1st fraction, since 21 × 12 = 252,
    20/21 = 20 × 12/21 × 12 = 240/252
  3. Likewise, for the 2nd fraction, since 36 × 7 = 252,
    40/36 = 40 × 7/36 × 7 = 280/252
  4. Add the two fractions:
    240/252 + 280/252 = 240 + 280/252 = 520/252
  5. 520/252 simplified gives 130/63
  6. So, 20/21 + 40/36 = 130/63
    In mixed form: 24/63

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