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Add 50/72 and 1/20

50/72 + 1/20 is 67/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 20 is 360
  2. For the 1st fraction, since 72 × 5 = 360,
    50/72 = 50 × 5/72 × 5 = 250/360
  3. Likewise, for the 2nd fraction, since 20 × 18 = 360,
    1/20 = 1 × 18/20 × 18 = 18/360
  4. Add the two fractions:
    250/360 + 18/360 = 250 + 18/360 = 268/360
  5. After reducing the fraction, the answer is 67/90

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