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Add 28/32 and 9/40

28/32 + 9/40 is 11/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 32 and 40 is 160

    Next, find the equivalent fraction of both fractional numbers with denominator 160
  2. For the 1st fraction, since 32 × 5 = 160,
    28/32 = 28 × 5/32 × 5 = 140/160
  3. Likewise, for the 2nd fraction, since 40 × 4 = 160,
    9/40 = 9 × 4/40 × 4 = 36/160
  4. Add the two like fractions:
    140/160 + 36/160 = 140 + 36/160 = 176/160
  5. 176/160 simplified gives 11/10
  6. So, 28/32 + 9/40 = 11/10
    In mixed form: 11/10

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