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Add 1/21 and 12/10

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

1/21 + 12/10 is 131/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 10 is 210
  2. For the 1st fraction, since 21 × 10 = 210,
    1/21 = 1 × 10/21 × 10 = 10/210
  3. Likewise, for the 2nd fraction, since 10 × 21 = 210,
    12/10 = 12 × 21/10 × 21 = 252/210
  4. Add the two fractions:
    10/210 + 252/210 = 10 + 252/210 = 262/210
  5. After reducing the fraction, the answer is 131/105
  6. In mixed form: 126/105

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