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Add 75/21 and 40/10

1st number: 3 12/21, 2nd number: 4 0/10

75/21 + 40/10 is 53/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 10 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 21 × 10 = 210,
    75/21 = 75 × 10/21 × 10 = 750/210
  3. Likewise, for the 2nd fraction, since 10 × 21 = 210,
    40/10 = 40 × 21/10 × 21 = 840/210
  4. Add the two like fractions:
    750/210 + 840/210 = 750 + 840/210 = 1590/210
  5. 1590/210 simplified gives 53/7
  6. So, 75/21 + 40/10 = 53/7
    In mixed form: 74/7

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