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Add 28/45 and 10/40

28/45 + 10/40 is 157/180.

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,
    28/45 = 28 × 8/45 × 8 = 224/360
  3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
    10/40 = 10 × 9/40 × 9 = 90/360
  4. Add the two like fractions:
    224/360 + 90/360 = 224 + 90/360 = 314/360
  5. 314/360 simplified gives 157/180
  6. So, 28/45 + 10/40 = 157/180

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