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Add 21/75 and 40/10

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

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

Steps for adding fractions

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

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

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