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Add 25/45 and 21/12

1st number: 25/45, 2nd number: 1 9/12

25/45 + 21/12 is 83/36.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 12 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 45 × 4 = 180,
    25/45 = 25 × 4/45 × 4 = 100/180
  3. Likewise, for the 2nd fraction, since 12 × 15 = 180,
    21/12 = 21 × 15/12 × 15 = 315/180
  4. Add the two like fractions:
    100/180 + 315/180 = 100 + 315/180 = 415/180
  5. 415/180 simplified gives 83/36
  6. So, 25/45 + 21/12 = 83/36
    In mixed form: 211/36

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