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Add 3/7 and 30/45

3/7 + 30/45 is 23/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 45 is 315

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 7 × 45 = 315,
    3/7 = 3 × 45/7 × 45 = 135/315
  3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
    30/45 = 30 × 7/45 × 7 = 210/315
  4. Add the two like fractions:
    135/315 + 210/315 = 135 + 210/315 = 345/315
  5. 345/315 simplified gives 23/21
  6. So, 3/7 + 30/45 = 23/21
    In mixed form: 12/21

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