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Add 90/10 and 63/4

1st number: 9 0/10, 2nd number: 15 3/4

90/10 + 63/4 is 99/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 4 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 10 × 2 = 20,
    90/10 = 90 × 2/10 × 2 = 180/20
  3. Likewise, for the 2nd fraction, since 4 × 5 = 20,
    63/4 = 63 × 5/4 × 5 = 315/20
  4. Add the two like fractions:
    180/20 + 315/20 = 180 + 315/20 = 495/20
  5. 495/20 simplified gives 99/4
  6. So, 90/10 + 63/4 = 99/4
    In mixed form: 243/4

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