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Add 20/60 and 21/30

20/60 + 21/30 is 31/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 30 is 60
  2. For the 1st fraction, since 60 × 1 = 60,
    20/60 = 20 × 1/60 × 1 = 20/60
  3. Likewise, for the 2nd fraction, since 30 × 2 = 60,
    21/30 = 21 × 2/30 × 2 = 42/60
  4. Add the two fractions:
    20/60 + 42/60 = 20 + 42/60 = 62/60
  5. 62/60 simplified gives 31/30
  6. So, 20/60 + 21/30 = 31/30
    In mixed form: 11/30

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