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Add 4/21 and 35/10

1st number: 4/21, 2nd number: 3 5/10

4/21 + 35/10 is 155/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 10 is 210
  2. For the 1st fraction, since 21 × 10 = 210,
    4/21 = 4 × 10/21 × 10 = 40/210
  3. Likewise, for the 2nd fraction, since 10 × 21 = 210,
    35/10 = 35 × 21/10 × 21 = 735/210
  4. Add the two fractions:
    40/210 + 735/210 = 40 + 735/210 = 775/210
  5. 775/210 simplified gives 155/42
  6. So, 4/21 + 35/10 = 155/42
    In mixed form: 329/42

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