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Add 3/28 and 9/30

3/28 + 9/30 is 57/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 30 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 28 × 15 = 420,
    3/28 = 3 × 15/28 × 15 = 45/420
  3. Likewise, for the 2nd fraction, since 30 × 14 = 420,
    9/30 = 9 × 14/30 × 14 = 126/420
  4. Add the two like fractions:
    45/420 + 126/420 = 45 + 126/420 = 171/420
  5. 171/420 simplified gives 57/140
  6. So, 3/28 + 9/30 = 57/140

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