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Add 5/10 and 21/60

5/10 + 21/60 is 17/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 60 is 60
  2. For the 1st fraction, since 10 × 6 = 60,
    5/10 = 5 × 6/10 × 6 = 30/60
  3. Likewise, for the 2nd fraction, since 60 × 1 = 60,
    21/60 = 21 × 1/60 × 1 = 21/60
  4. Add the two fractions:
    30/60 + 21/60 = 30 + 21/60 = 51/60
  5. After reducing the fraction, the answer is 17/20

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