Add 8/21 and 21/32
8/21 + 21/32 is 697/672.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 32 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 21 × 32 = 672,
8/21 = 8 × 32/21 × 32 = 256/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
21/32 = 21 × 21/32 × 21 = 441/672 - Add the two like fractions:
256/672 + 441/672 = 256 + 441/672 = 697/672 - So, 8/21 + 21/32 = 697/672
In mixed form: 125/672
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