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Add 3/45 and 28/40

3/45 + 28/40 is 23/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 40 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 45 × 8 = 360,
    3/45 = 3 × 8/45 × 8 = 24/360
  3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
    28/40 = 28 × 9/40 × 9 = 252/360
  4. Add the two like fractions:
    24/360 + 252/360 = 24 + 252/360 = 276/360
  5. 276/360 simplified gives 23/30
  6. So, 3/45 + 28/40 = 23/30

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