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Add 4/7 and 8/20

4/7 + 8/20 is 34/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 20 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 7 × 20 = 140,
    4/7 = 4 × 20/7 × 20 = 80/140
  3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
    8/20 = 8 × 7/20 × 7 = 56/140
  4. Add the two like fractions:
    80/140 + 56/140 = 80 + 56/140 = 136/140
  5. 136/140 simplified gives 34/35
  6. So, 4/7 + 8/20 = 34/35

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