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Add 90/28 and 8/63

1st number: 3 6/28, 2nd number: 8/63

90/28 + 8/63 is 421/126.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 63 is 252
  2. For the 1st fraction, since 28 × 9 = 252,
    90/28 = 90 × 9/28 × 9 = 810/252
  3. Likewise, for the 2nd fraction, since 63 × 4 = 252,
    8/63 = 8 × 4/63 × 4 = 32/252
  4. Add the two fractions:
    810/252 + 32/252 = 810 + 32/252 = 842/252
  5. 842/252 simplified gives 421/126
  6. So, 90/28 + 8/63 = 421/126
    In mixed form: 343/126

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