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Add 21/10 and 18/14

1st number: 2 1/10, 2nd number: 1 4/14

21/10 + 18/14 is 237/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 14 is 70
  2. For the 1st fraction, since 10 × 7 = 70,
    21/10 = 21 × 7/10 × 7 = 147/70
  3. Likewise, for the 2nd fraction, since 14 × 5 = 70,
    18/14 = 18 × 5/14 × 5 = 90/70
  4. Add the two fractions:
    147/70 + 90/70 = 147 + 90/70 = 237/70
  5. In mixed form: 327/70

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