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Add 25/12 and 21/45

1st number: 2 1/12, 2nd number: 21/45

25/12 + 21/45 is 51/20.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 12 × 15 = 180,
    25/12 = 25 × 15/12 × 15 = 375/180
  3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
    21/45 = 21 × 4/45 × 4 = 84/180
  4. Add the two like fractions:
    375/180 + 84/180 = 375 + 84/180 = 459/180
  5. 459/180 simplified gives 51/20
  6. So, 25/12 + 21/45 = 51/20
    In mixed form: 211/20

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