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Add 5/21 and 6/45

5/21 + 6/45 is 13/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 45 is 315

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 21 × 15 = 315,
    5/21 = 5 × 15/21 × 15 = 75/315
  3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
    6/45 = 6 × 7/45 × 7 = 42/315
  4. Add the two like fractions:
    75/315 + 42/315 = 75 + 42/315 = 117/315
  5. 117/315 simplified gives 13/35
  6. So, 5/21 + 6/45 = 13/35

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