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Add 70/21 and 16/45

1st number: 3 7/21, 2nd number: 16/45

70/21 + 16/45 is 166/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 45 is 315
  2. For the 1st fraction, since 21 × 15 = 315,
    70/21 = 70 × 15/21 × 15 = 1050/315
  3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
    16/45 = 16 × 7/45 × 7 = 112/315
  4. Add the two fractions:
    1050/315 + 112/315 = 1050 + 112/315 = 1162/315
  5. After reducing the fraction, the answer is 166/45
  6. In mixed form: 331/45

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