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Add 18/63 and 27/30

18/63 + 27/30 is 83/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 30 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 63 × 10 = 630,
    18/63 = 18 × 10/63 × 10 = 180/630
  3. Likewise, for the 2nd fraction, since 30 × 21 = 630,
    27/30 = 27 × 21/30 × 21 = 567/630
  4. Add the two like fractions:
    180/630 + 567/630 = 180 + 567/630 = 747/630
  5. 747/630 simplified gives 83/70
  6. So, 18/63 + 27/30 = 83/70
    In mixed form: 113/70

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