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Add 54/14 and 18/80

1st number: 3 12/14, 2nd number: 18/80

54/14 + 18/80 is 1143/280.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 80 is 560

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 14 × 40 = 560,
    54/14 = 54 × 40/14 × 40 = 2160/560
  3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
    18/80 = 18 × 7/80 × 7 = 126/560
  4. Add the two like fractions:
    2160/560 + 126/560 = 2160 + 126/560 = 2286/560
  5. 2286/560 simplified gives 1143/280
  6. So, 54/14 + 18/80 = 1143/280
    In mixed form: 423/280

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