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Add 18/28 and 12/10

1st number: 18/28, 2nd number: 1 2/10

18/28 + 12/10 is 129/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 10 is 140
  2. For the 1st fraction, since 28 × 5 = 140,
    18/28 = 18 × 5/28 × 5 = 90/140
  3. Likewise, for the 2nd fraction, since 10 × 14 = 140,
    12/10 = 12 × 14/10 × 14 = 168/140
  4. Add the two fractions:
    90/140 + 168/140 = 90 + 168/140 = 258/140
  5. 258/140 simplified gives 129/70
  6. So, 18/28 + 12/10 = 129/70
    In mixed form: 159/70

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