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Add 21/75 and 12/10

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

21/75 + 12/10 is 37/25.

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,
    12/10 = 12 × 15/10 × 15 = 180/150
  4. Add the two like fractions:
    42/150 + 180/150 = 42 + 180/150 = 222/150
  5. 222/150 simplified gives 37/25
  6. So, 21/75 + 12/10 = 37/25
    In mixed form: 112/25

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