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Add 54/90 and 30/42

54/90 + 30/42 is 46/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 42 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 90 × 7 = 630,
    54/90 = 54 × 7/90 × 7 = 378/630
  3. Likewise, for the 2nd fraction, since 42 × 15 = 630,
    30/42 = 30 × 15/42 × 15 = 450/630
  4. Add the two like fractions:
    378/630 + 450/630 = 378 + 450/630 = 828/630
  5. 828/630 simplified gives 46/35
  6. So, 54/90 + 30/42 = 46/35
    In mixed form: 111/35

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