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Add 30/20 and 7/28

1st number: 1 10/20, 2nd number: 7/28

30/20 + 7/28 is 7/4.

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,
    30/20 = 30 × 7/20 × 7 = 210/140
  3. Likewise, for the 2nd fraction, since 28 × 5 = 140,
    7/28 = 7 × 5/28 × 5 = 35/140
  4. Add the two like fractions:
    210/140 + 35/140 = 210 + 35/140 = 245/140
  5. 245/140 simplified gives 7/4
  6. So, 30/20 + 7/28 = 7/4
    In mixed form: 13/4

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