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Add 4/10 and 6/21

4/10 + 6/21 is 24/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 21 is 210
  2. For the 1st fraction, since 10 × 21 = 210,
    4/10 = 4 × 21/10 × 21 = 84/210
  3. Likewise, for the 2nd fraction, since 21 × 10 = 210,
    6/21 = 6 × 10/21 × 10 = 60/210
  4. Add the two fractions:
    84/210 + 60/210 = 84 + 60/210 = 144/210
  5. 144/210 simplified gives 24/35
  6. So, 4/10 + 6/21 = 24/35

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