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Add 9/7 and 5/20

1st number: 1 2/7, 2nd number: 5/20

9/7 + 5/20 is 43/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 20 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 7 × 20 = 140,
    9/7 = 9 × 20/7 × 20 = 180/140
  3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
    5/20 = 5 × 7/20 × 7 = 35/140
  4. Add the two like fractions:
    180/140 + 35/140 = 180 + 35/140 = 215/140
  5. 215/140 simplified gives 43/28
  6. So, 9/7 + 5/20 = 43/28
    In mixed form: 115/28

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