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Add 3/90 and 7/63

3/90 + 7/63 is 13/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 63 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 90 × 7 = 630,
    3/90 = 3 × 7/90 × 7 = 21/630
  3. Likewise, for the 2nd fraction, since 63 × 10 = 630,
    7/63 = 7 × 10/63 × 10 = 70/630
  4. Add the two like fractions:
    21/630 + 70/630 = 21 + 70/630 = 91/630
  5. 91/630 simplified gives 13/90
  6. So, 3/90 + 7/63 = 13/90

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