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Add 42/60 and 70/90

42/60 + 70/90 is 133/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 90 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 90 × 2 = 180,
    70/90 = 70 × 2/90 × 2 = 140/180
  4. Add the two like fractions:
    126/180 + 140/180 = 126 + 140/180 = 266/180
  5. 266/180 simplified gives 133/90
  6. So, 42/60 + 70/90 = 133/90
    In mixed form: 143/90

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