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Add 1/63 and 4/90

1/63 + 4/90 is 19/315.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 63 × 10 = 630,
    1/63 = 1 × 10/63 × 10 = 10/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    4/90 = 4 × 7/90 × 7 = 28/630
  4. Add the two like fractions:
    10/630 + 28/630 = 10 + 28/630 = 38/630
  5. 38/630 simplified gives 19/315
  6. So, 1/63 + 4/90 = 19/315

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