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Add 2/3 and 42/80

2/3 + 42/80 is 143/120.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 80 is 240

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 3 × 80 = 240,
    2/3 = 2 × 80/3 × 80 = 160/240
  3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
    42/80 = 42 × 3/80 × 3 = 126/240
  4. Add the two like fractions:
    160/240 + 126/240 = 160 + 126/240 = 286/240
  5. 286/240 simplified gives 143/120
  6. So, 2/3 + 42/80 = 143/120
    In mixed form: 123/120

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