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Add 10/60 and 21/30

10/60 + 21/30 is 13/15.

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,
    10/60 = 10 × 1/60 × 1 = 10/60
  3. Likewise, for the 2nd fraction, since 30 × 2 = 60,
    21/30 = 21 × 2/30 × 2 = 42/60
  4. Add the two fractions:
    10/60 + 42/60 = 10 + 42/60 = 52/60
  5. After reducing the fraction, the answer is 13/15

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