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Add 54/7 and 27/90

1st number: 7 5/7, 2nd number: 27/90

54/7 + 27/90 is 561/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 90 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 7 × 90 = 630,
    54/7 = 54 × 90/7 × 90 = 4860/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    27/90 = 27 × 7/90 × 7 = 189/630
  4. Add the two like fractions:
    4860/630 + 189/630 = 4860 + 189/630 = 5049/630
  5. 5049/630 simplified gives 561/70
  6. So, 54/7 + 27/90 = 561/70
    In mixed form: 81/70

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