Add 14/21 and 8/9
14/21 + 8/9 is 14/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 9 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 21 × 3 = 63,
14/21 = 14 × 3/21 × 3 = 42/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
8/9 = 8 × 7/9 × 7 = 56/63 - Add the two like fractions:
42/63 + 56/63 = 42 + 56/63 = 98/63 - 98/63 simplified gives 14/9
- So, 14/21 + 8/9 = 14/9
In mixed form: 15/9
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