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Add 25/4 and 30/90

1st number: 6 1/4, 2nd number: 30/90

25/4 + 30/90 is 79/12.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 4 × 45 = 180,
    25/4 = 25 × 45/4 × 45 = 1125/180
  3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
    30/90 = 30 × 2/90 × 2 = 60/180
  4. Add the two like fractions:
    1125/180 + 60/180 = 1125 + 60/180 = 1185/180
  5. 1185/180 simplified gives 79/12
  6. So, 25/4 + 30/90 = 79/12
    In mixed form: 67/12

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