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Add 20/36 and 21/30

20/36 + 21/30 is 113/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 30 is 180
  2. For the 1st fraction, since 36 × 5 = 180,
    20/36 = 20 × 5/36 × 5 = 100/180
  3. Likewise, for the 2nd fraction, since 30 × 6 = 180,
    21/30 = 21 × 6/30 × 6 = 126/180
  4. Add the two fractions:
    100/180 + 126/180 = 100 + 126/180 = 226/180
  5. 226/180 simplified gives 113/90
  6. So, 20/36 + 21/30 = 113/90
    In mixed form: 123/90

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