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Add 24/28 and 9/30

24/28 + 9/30 is 81/70.

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,
    24/28 = 24 × 15/28 × 15 = 360/420
  3. Likewise, for the 2nd fraction, since 30 × 14 = 420,
    9/30 = 9 × 14/30 × 14 = 126/420
  4. Add the two like fractions:
    360/420 + 126/420 = 360 + 126/420 = 486/420
  5. 486/420 simplified gives 81/70
  6. So, 24/28 + 9/30 = 81/70
    In mixed form: 111/70

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