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Add 7/20 and 35/28

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

7/20 + 35/28 is 8/5.

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,
    7/20 = 7 × 7/20 × 7 = 49/140
  3. Likewise, for the 2nd fraction, since 28 × 5 = 140,
    35/28 = 35 × 5/28 × 5 = 175/140
  4. Add the two like fractions:
    49/140 + 175/140 = 49 + 175/140 = 224/140
  5. 224/140 simplified gives 8/5
  6. So, 7/20 + 35/28 = 8/5
    In mixed form: 13/5

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