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Add 18/56 and 72/80

18/56 + 72/80 is 171/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 80 is 560

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 56 × 10 = 560,
    18/56 = 18 × 10/56 × 10 = 180/560
  3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
    72/80 = 72 × 7/80 × 7 = 504/560
  4. Add the two like fractions:
    180/560 + 504/560 = 180 + 504/560 = 684/560
  5. 684/560 simplified gives 171/140
  6. So, 18/56 + 72/80 = 171/140
    In mixed form: 131/140

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