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Add 2/21 and 24/45

2/21 + 24/45 is 22/35.

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,
    2/21 = 2 × 15/21 × 15 = 30/315
  3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
    24/45 = 24 × 7/45 × 7 = 168/315
  4. Add the two like fractions:
    30/315 + 168/315 = 30 + 168/315 = 198/315
  5. 198/315 simplified gives 22/35
  6. So, 2/21 + 24/45 = 22/35

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