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Add 18/72 and 50/80

18/72 + 50/80 is 7/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 80 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 72 × 10 = 720,
    18/72 = 18 × 10/72 × 10 = 180/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    50/80 = 50 × 9/80 × 9 = 450/720
  4. Add the two like fractions:
    180/720 + 450/720 = 180 + 450/720 = 630/720
  5. 630/720 simplified gives 7/8
  6. So, 18/72 + 50/80 = 7/8

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