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Add 42/90 and 48/54

42/90 + 48/54 is 61/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 54 is 270

    Next, find the equivalent fraction of both fractional numbers with denominator 270
  2. For the 1st fraction, since 90 × 3 = 270,
    42/90 = 42 × 3/90 × 3 = 126/270
  3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
    48/54 = 48 × 5/54 × 5 = 240/270
  4. Add the two like fractions:
    126/270 + 240/270 = 126 + 240/270 = 366/270
  5. 366/270 simplified gives 61/45
  6. So, 42/90 + 48/54 = 61/45
    In mixed form: 116/45

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