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Add 6/28 and 90/70

1st number: 6/28, 2nd number: 1 20/70

6/28 + 90/70 is 3/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 70 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 28 × 5 = 140,
    6/28 = 6 × 5/28 × 5 = 30/140
  3. Likewise, for the 2nd fraction, since 70 × 2 = 140,
    90/70 = 90 × 2/70 × 2 = 180/140
  4. Add the two like fractions:
    30/140 + 180/140 = 30 + 180/140 = 210/140
  5. 210/140 simplified gives 3/2
  6. So, 6/28 + 90/70 = 3/2
    In mixed form: 11/2

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