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Add 40/15 and 21/63

1st number: 2 10/15, 2nd number: 21/63

40/15 + 21/63 is 3/1.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 63 is 315

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 15 × 21 = 315,
    40/15 = 40 × 21/15 × 21 = 840/315
  3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
    21/63 = 21 × 5/63 × 5 = 105/315
  4. Add the two like fractions:
    840/315 + 105/315 = 840 + 105/315 = 945/315
  5. 945/315 simplified gives 3/1
  6. So, 40/15 + 21/63 = 3/1

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