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Add 42/60 and 8/45

42/60 + 8/45 is 79/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 45 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 60 × 3 = 180,
    42/60 = 42 × 3/60 × 3 = 126/180
  3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
    8/45 = 8 × 4/45 × 4 = 32/180
  4. Add the two like fractions:
    126/180 + 32/180 = 126 + 32/180 = 158/180
  5. 158/180 simplified gives 79/90
  6. So, 42/60 + 8/45 = 79/90

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