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Add 7/9 and 28/40

7/9 + 28/40 is 133/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 40 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 9 × 40 = 360,
    7/9 = 7 × 40/9 × 40 = 280/360
  3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
    28/40 = 28 × 9/40 × 9 = 252/360
  4. Add the two like fractions:
    280/360 + 252/360 = 280 + 252/360 = 532/360
  5. 532/360 simplified gives 133/90
  6. So, 7/9 + 28/40 = 133/90
    In mixed form: 143/90

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