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Add 12/28 and 21/10

1st number: 12/28, 2nd number: 2 1/10

12/28 + 21/10 is 177/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 10 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 28 × 5 = 140,
    12/28 = 12 × 5/28 × 5 = 60/140
  3. Likewise, for the 2nd fraction, since 10 × 14 = 140,
    21/10 = 21 × 14/10 × 14 = 294/140
  4. Add the two like fractions:
    60/140 + 294/140 = 60 + 294/140 = 354/140
  5. 354/140 simplified gives 177/70
  6. So, 12/28 + 21/10 = 177/70
    In mixed form: 237/70

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