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Add 2/5 and 45/63

2/5 + 45/63 is 39/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 63 is 315

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 5 × 63 = 315,
    2/5 = 2 × 63/5 × 63 = 126/315
  3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
    45/63 = 45 × 5/63 × 5 = 225/315
  4. Add the two like fractions:
    126/315 + 225/315 = 126 + 225/315 = 351/315
  5. 351/315 simplified gives 39/35
  6. So, 2/5 + 45/63 = 39/35
    In mixed form: 14/35

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