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Add 18/20 and 30/28

1st number: 18/20, 2nd number: 1 2/28

18/20 + 30/28 is 69/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 28 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 28 × 5 = 140,
    30/28 = 30 × 5/28 × 5 = 150/140
  4. Add the two like fractions:
    126/140 + 150/140 = 126 + 150/140 = 276/140
  5. 276/140 simplified gives 69/35
  6. So, 18/20 + 30/28 = 69/35
    In mixed form: 134/35

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