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Add 20/3 and 21/60

1st number: 6 2/3, 2nd number: 21/60

20/3 + 21/60 is 421/60.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 60 is 60
  2. For the 1st fraction, since 3 × 20 = 60,
    20/3 = 20 × 20/3 × 20 = 400/60
  3. Likewise, for the 2nd fraction, since 60 × 1 = 60,
    21/60 = 21 × 1/60 × 1 = 21/60
  4. Add the two fractions:
    400/60 + 21/60 = 400 + 21/60 = 421/60
  5. In mixed form: 71/60

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