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Add 63/90 and 28/4

1st number: 63/90, 2nd number: 7 0/4

63/90 + 28/4 is 77/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 4 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 90 × 2 = 180,
    63/90 = 63 × 2/90 × 2 = 126/180
  3. Likewise, for the 2nd fraction, since 4 × 45 = 180,
    28/4 = 28 × 45/4 × 45 = 1260/180
  4. Add the two like fractions:
    126/180 + 1260/180 = 126 + 1260/180 = 1386/180
  5. 1386/180 simplified gives 77/10
  6. So, 63/90 + 28/4 = 77/10
    In mixed form: 77/10

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