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Add 8/40 and 15/18

8/40 + 15/18 is 31/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 18 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 40 × 9 = 360,
    8/40 = 8 × 9/40 × 9 = 72/360
  3. Likewise, for the 2nd fraction, since 18 × 20 = 360,
    15/18 = 15 × 20/18 × 20 = 300/360
  4. Add the two like fractions:
    72/360 + 300/360 = 72 + 300/360 = 372/360
  5. 372/360 simplified gives 31/30
  6. So, 8/40 + 15/18 = 31/30
    In mixed form: 11/30

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