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Add 54/20 and 9/7

1st number: 2 14/20, 2nd number: 1 2/7

54/20 + 9/7 is 279/70.

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,
    54/20 = 54 × 7/20 × 7 = 378/140
  3. Likewise, for the 2nd fraction, since 7 × 20 = 140,
    9/7 = 9 × 20/7 × 20 = 180/140
  4. Add the two like fractions:
    378/140 + 180/140 = 378 + 180/140 = 558/140
  5. 558/140 simplified gives 279/70
  6. So, 54/20 + 9/7 = 279/70
    In mixed form: 369/70

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