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Add 5/8 and 12/90

5/8 + 12/90 is 91/120.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 90 is 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 90 × 4 = 360,
    12/90 = 12 × 4/90 × 4 = 48/360
  4. Add the two fractions:
    225/360 + 48/360 = 225 + 48/360 = 273/360
  5. 273/360 simplified gives 91/120
  6. So, 5/8 + 12/90 = 91/120

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