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Add 5/8 and 20/45

5/8 + 20/45 is 77/72.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 45 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 8 × 45 = 360,
    5/8 = 5 × 45/8 × 45 = 225/360
  3. Likewise, for the 2nd fraction, since 45 × 8 = 360,
    20/45 = 20 × 8/45 × 8 = 160/360
  4. Add the two like fractions:
    225/360 + 160/360 = 225 + 160/360 = 385/360
  5. 385/360 simplified gives 77/72
  6. So, 5/8 + 20/45 = 77/72
    In mixed form: 15/72

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