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Add 42/56 and 12/80

42/56 + 12/80 is 9/10.

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,
    42/56 = 42 × 10/56 × 10 = 420/560
  3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
    12/80 = 12 × 7/80 × 7 = 84/560
  4. Add the two like fractions:
    420/560 + 84/560 = 420 + 84/560 = 504/560
  5. 504/560 simplified gives 9/10
  6. So, 42/56 + 12/80 = 9/10

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