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Add 7/8 and 27/40

7/8 + 27/40 is 31/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 40 is 40

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 8 × 5 = 40,
    7/8 = 7 × 5/8 × 5 = 35/40
  3. Likewise, for the 2nd fraction, since 40 × 1 = 40,
    27/40 = 27 × 1/40 × 1 = 27/40
  4. Add the two like fractions:
    35/40 + 27/40 = 35 + 27/40 = 62/40
  5. 62/40 simplified gives 31/20
  6. So, 7/8 + 27/40 = 31/20
    In mixed form: 111/20

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