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Add 2/21 and 45/8

1st number: 2/21, 2nd number: 5 5/8

2/21 + 45/8 is 961/168.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 8 is 168
  2. For the 1st fraction, since 21 × 8 = 168,
    2/21 = 2 × 8/21 × 8 = 16/168
  3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
    45/8 = 45 × 21/8 × 21 = 945/168
  4. Add the two fractions:
    16/168 + 945/168 = 16 + 945/168 = 961/168
  5. So, 2/21 + 45/8 = 961/168
    In mixed form: 5121/168

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