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Add 63/42 and 15/10

1st number: 1 21/42, 2nd number: 1 5/10

63/42 + 15/10 is 3/1.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 10 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 42 × 5 = 210,
    63/42 = 63 × 5/42 × 5 = 315/210
  3. Likewise, for the 2nd fraction, since 10 × 21 = 210,
    15/10 = 15 × 21/10 × 21 = 315/210
  4. Add the two like fractions:
    315/210 + 315/210 = 315 + 315/210 = 630/210
  5. 630/210 simplified gives 3/1
  6. So, 63/42 + 15/10 = 3/1

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