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Add 40/15 and 63/42

1st number: 2 10/15, 2nd number: 1 21/42

40/15 + 63/42 is 25/6.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 42 is 210
  2. For the 1st fraction, since 15 × 14 = 210,
    40/15 = 40 × 14/15 × 14 = 560/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    63/42 = 63 × 5/42 × 5 = 315/210
  4. Add the two fractions:
    560/210 + 315/210 = 560 + 315/210 = 875/210
  5. 875/210 simplified gives 25/6
  6. So, 40/15 + 63/42 = 25/6
    In mixed form: 41/6

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