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Add 10/21 and 60/9

1st number: 10/21, 2nd number: 6 6/9

10/21 + 60/9 is 50/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 9 is 63
  2. For the 1st fraction, since 21 × 3 = 63,
    10/21 = 10 × 3/21 × 3 = 30/63
  3. Likewise, for the 2nd fraction, since 9 × 7 = 63,
    60/9 = 60 × 7/9 × 7 = 420/63
  4. Add the two fractions:
    30/63 + 420/63 = 30 + 420/63 = 450/63
  5. After reducing the fraction, the answer is 50/7
  6. In mixed form: 71/7

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