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Add 9/20 and 84/7

1st number: 9/20, 2nd number: 12 0/7

9/20 + 84/7 is 249/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 7 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 7 × 20 = 140,
    84/7 = 84 × 20/7 × 20 = 1680/140
  4. Add the two like fractions:
    63/140 + 1680/140 = 63 + 1680/140 = 1743/140
  5. 1743/140 simplified gives 249/20
  6. So, 9/20 + 84/7 = 249/20
    In mixed form: 129/20

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