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Add 25/90 and 8/63

25/90 + 8/63 is 17/42.

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,
    25/90 = 25 × 7/90 × 7 = 175/630
  3. Likewise, for the 2nd fraction, since 63 × 10 = 630,
    8/63 = 8 × 10/63 × 10 = 80/630
  4. Add the two like fractions:
    175/630 + 80/630 = 175 + 80/630 = 255/630
  5. 255/630 simplified gives 17/42
  6. So, 25/90 + 8/63 = 17/42

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