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Add 30/20 and 9/7

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

30/20 + 9/7 is 39/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 7 is 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 7 × 20 = 140,
    9/7 = 9 × 20/7 × 20 = 180/140
  4. Add the two fractions:
    210/140 + 180/140 = 210 + 180/140 = 390/140
  5. 390/140 simplified gives 39/14
  6. So, 30/20 + 9/7 = 39/14
    In mixed form: 211/14

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