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Add 15/40 and 7/72

15/40 + 7/72 is 17/36.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 72 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 40 × 9 = 360,
    15/40 = 15 × 9/40 × 9 = 135/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    7/72 = 7 × 5/72 × 5 = 35/360
  4. Add the two like fractions:
    135/360 + 35/360 = 135 + 35/360 = 170/360
  5. 170/360 simplified gives 17/36
  6. So, 15/40 + 7/72 = 17/36

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