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Add 45/36 and 28/40

1st number: 1 9/36, 2nd number: 28/40

45/36 + 28/40 is 39/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 40 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 36 × 10 = 360,
    45/36 = 45 × 10/36 × 10 = 450/360
  3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
    28/40 = 28 × 9/40 × 9 = 252/360
  4. Add the two like fractions:
    450/360 + 252/360 = 450 + 252/360 = 702/360
  5. 702/360 simplified gives 39/20
  6. So, 45/36 + 28/40 = 39/20
    In mixed form: 119/20

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