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Add 80/90 and 7/72

80/90 + 7/72 is 71/72.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 72 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 90 × 4 = 360,
    80/90 = 80 × 4/90 × 4 = 320/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    7/72 = 7 × 5/72 × 5 = 35/360
  4. Add the two like fractions:
    320/360 + 35/360 = 320 + 35/360 = 355/360
  5. 355/360 simplified gives 71/72
  6. So, 80/90 + 7/72 = 71/72

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