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Add 80/9 and 5/40

1st number: 8 8/9, 2nd number: 5/40

80/9 + 5/40 is 649/72.

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,
    80/9 = 80 × 40/9 × 40 = 3200/360
  3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
    5/40 = 5 × 9/40 × 9 = 45/360
  4. Add the two like fractions:
    3200/360 + 45/360 = 3200 + 45/360 = 3245/360
  5. 3245/360 simplified gives 649/72
  6. So, 80/9 + 5/40 = 649/72
    In mixed form: 91/72

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