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Add 1/63 and 21/45

1/63 + 21/45 is 152/315.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 45 is 315

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 63 × 5 = 315,
    1/63 = 1 × 5/63 × 5 = 5/315
  3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
    21/45 = 21 × 7/45 × 7 = 147/315
  4. Add the two like fractions:
    5/315 + 147/315 = 5 + 147/315 = 152/315
  5. So, 1/63 + 21/45 = 152/315

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