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Add 18/20 and 18/7

1st number: 18/20, 2nd number: 2 4/7

18/20 + 18/7 is 243/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 7 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 7 × 20 = 140,
    18/7 = 18 × 20/7 × 20 = 360/140
  4. Add the two like fractions:
    126/140 + 360/140 = 126 + 360/140 = 486/140
  5. 486/140 simplified gives 243/70
  6. So, 18/20 + 18/7 = 243/70
    In mixed form: 333/70

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