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Add 9/20 and 10/28

9/20 + 10/28 is 113/140.

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,
    9/20 = 9 × 7/20 × 7 = 63/140
  3. Likewise, for the 2nd fraction, since 28 × 5 = 140,
    10/28 = 10 × 5/28 × 5 = 50/140
  4. Add the two like fractions:
    63/140 + 50/140 = 63 + 50/140 = 113/140
  5. So, 9/20 + 10/28 = 113/140

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