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Add 18/20 and 5/35

18/20 + 5/35 is 73/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 35 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 20 × 7 = 140,
    18/20 = 18 × 7/20 × 7 = 126/140
  3. Likewise, for the 2nd fraction, since 35 × 4 = 140,
    5/35 = 5 × 4/35 × 4 = 20/140
  4. Add the two like fractions:
    126/140 + 20/140 = 126 + 20/140 = 146/140
  5. 146/140 simplified gives 73/70
  6. So, 18/20 + 5/35 = 73/70
    In mixed form: 13/70

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