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Add 10/21 and 3/49

10/21 + 3/49 is 79/147.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 49 is 147
  2. For the 1st fraction, since 21 × 7 = 147,
    10/21 = 10 × 7/21 × 7 = 70/147
  3. Likewise, for the 2nd fraction, since 49 × 3 = 147,
    3/49 = 3 × 3/49 × 3 = 9/147
  4. Add the two fractions:
    70/147 + 9/147 = 70 + 9/147 = 79/147

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