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Add 3/35 and 4/20

3/35 + 4/20 is 2/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 20 is 140
  2. For the 1st fraction, since 35 × 4 = 140,
    3/35 = 3 × 4/35 × 4 = 12/140
  3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
    4/20 = 4 × 7/20 × 7 = 28/140
  4. Add the two fractions:
    12/140 + 28/140 = 12 + 28/140 = 40/140
  5. 40/140 simplified gives 2/7
  6. So, 3/35 + 4/20 = 2/7

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