Add 14/21 and 81/7
1st number: 14/21, 2nd number: 11 4/7
14/21 + 81/7 is 257/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 7 is 21
Next, find the equivalent fraction of both fractional numbers with denominator 21 - For the 1st fraction, since 21 × 1 = 21,
14/21 = 14 × 1/21 × 1 = 14/21 - Likewise, for the 2nd fraction, since 7 × 3 = 21,
81/7 = 81 × 3/7 × 3 = 243/21 - Add the two like fractions:
14/21 + 243/21 = 14 + 243/21 = 257/21 - So, 14/21 + 81/7 = 257/21
In mixed form: 125/21
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