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Add 12/10 and 1/42

1st number: 1 2/10, 2nd number: 1/42

12/10 + 1/42 is 257/210.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 42 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 42 × 5 = 210,
    1/42 = 1 × 5/42 × 5 = 5/210
  4. Add the two fractions:
    252/210 + 5/210 = 252 + 5/210 = 257/210
  5. So, 12/10 + 1/42 = 257/210
    In mixed form: 147/210

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