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Add 2/20 and 45/70

2/20 + 45/70 is 26/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 70 is 140
  2. For the 1st fraction, since 20 × 7 = 140,
    2/20 = 2 × 7/20 × 7 = 14/140
  3. Likewise, for the 2nd fraction, since 70 × 2 = 140,
    45/70 = 45 × 2/70 × 2 = 90/140
  4. Add the two fractions:
    14/140 + 90/140 = 14 + 90/140 = 104/140
  5. After reducing the fraction, the answer is 26/35

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