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Add 21/7 and 9/16

1st number: 3 0/7, 2nd number: 9/16

21/7 + 9/16 is 57/16.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 16 is 112
  2. For the 1st fraction, since 7 × 16 = 112,
    21/7 = 21 × 16/7 × 16 = 336/112
  3. Likewise, for the 2nd fraction, since 16 × 7 = 112,
    9/16 = 9 × 7/16 × 7 = 63/112
  4. Add the two fractions:
    336/112 + 63/112 = 336 + 63/112 = 399/112
  5. 399/112 simplified gives 57/16
  6. So, 21/7 + 9/16 = 57/16
    In mixed form: 39/16

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