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Add 12/10 and 25/21

1st number: 1 2/10, 2nd number: 1 4/21

12/10 + 25/21 is 251/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 21 is 210
  2. For the 1st fraction, since 10 × 21 = 210,
    12/10 = 12 × 21/10 × 21 = 252/210
  3. Likewise, for the 2nd fraction, since 21 × 10 = 210,
    25/21 = 25 × 10/21 × 10 = 250/210
  4. Add the two fractions:
    252/210 + 250/210 = 252 + 250/210 = 502/210
  5. 502/210 simplified gives 251/105
  6. So, 12/10 + 25/21 = 251/105
    In mixed form: 241/105

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