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Add 40/10 and 21/75

1st number: 4 0/10, 2nd number: 21/75

40/10 + 21/75 is 107/25.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 75 is 150

    Next, find the equivalent fraction of both fractional numbers with denominator 150
  2. For the 1st fraction, since 10 × 15 = 150,
    40/10 = 40 × 15/10 × 15 = 600/150
  3. Likewise, for the 2nd fraction, since 75 × 2 = 150,
    21/75 = 21 × 2/75 × 2 = 42/150
  4. Add the two like fractions:
    600/150 + 42/150 = 600 + 42/150 = 642/150
  5. 642/150 simplified gives 107/25
  6. So, 40/10 + 21/75 = 107/25
    In mixed form: 47/25

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