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Add 10/21 and 40/24

1st number: 10/21, 2nd number: 1 16/24

10/21 + 40/24 is 15/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 24 is 168

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 21 × 8 = 168,
    10/21 = 10 × 8/21 × 8 = 80/168
  3. Likewise, for the 2nd fraction, since 24 × 7 = 168,
    40/24 = 40 × 7/24 × 7 = 280/168
  4. Add the two like fractions:
    80/168 + 280/168 = 80 + 280/168 = 360/168
  5. 360/168 simplified gives 15/7
  6. So, 10/21 + 40/24 = 15/7
    In mixed form: 21/7

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