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Add 4/21 and 24/70

4/21 + 24/70 is 8/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 70 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 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 70 × 3 = 210,
    24/70 = 24 × 3/70 × 3 = 72/210
  4. Add the two like fractions:
    40/210 + 72/210 = 40 + 72/210 = 112/210
  5. 112/210 simplified gives 8/15
  6. So, 4/21 + 24/70 = 8/15

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