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Add 70/72 and 18/45

70/72 + 18/45 is 247/180.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 45 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 72 × 5 = 360,
    70/72 = 70 × 5/72 × 5 = 350/360
  3. Likewise, for the 2nd fraction, since 45 × 8 = 360,
    18/45 = 18 × 8/45 × 8 = 144/360
  4. Add the two like fractions:
    350/360 + 144/360 = 350 + 144/360 = 494/360
  5. 494/360 simplified gives 247/180
  6. So, 70/72 + 18/45 = 247/180
    In mixed form: 167/180

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