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Add 2/21 and 7/10

2/21 + 7/10 is 167/210.

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,
    2/21 = 2 × 10/21 × 10 = 20/210
  3. Likewise, for the 2nd fraction, since 10 × 21 = 210,
    7/10 = 7 × 21/10 × 21 = 147/210
  4. Add the two like fractions:
    20/210 + 147/210 = 20 + 147/210 = 167/210
  5. So, 2/21 + 7/10 = 167/210

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