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Add 28/30 and 8/40

28/30 + 8/40 is 17/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 40 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 30 × 4 = 120,
    28/30 = 28 × 4/30 × 4 = 112/120
  3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
    8/40 = 8 × 3/40 × 3 = 24/120
  4. Add the two like fractions:
    112/120 + 24/120 = 112 + 24/120 = 136/120
  5. 136/120 simplified gives 17/15
  6. So, 28/30 + 8/40 = 17/15
    In mixed form: 12/15

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