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Add 6/63 and 28/90

6/63 + 28/90 is 128/315.

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,
    6/63 = 6 × 10/63 × 10 = 60/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    28/90 = 28 × 7/90 × 7 = 196/630
  4. Add the two like fractions:
    60/630 + 196/630 = 60 + 196/630 = 256/630
  5. 256/630 simplified gives 128/315
  6. So, 6/63 + 28/90 = 128/315

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