Add 20/21 and 9/32
20/21 + 9/32 is 829/672.
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,
20/21 = 20 × 32/21 × 32 = 640/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
9/32 = 9 × 21/32 × 21 = 189/672 - Add the two like fractions:
640/672 + 189/672 = 640 + 189/672 = 829/672 - So, 20/21 + 9/32 = 829/672
In mixed form: 1157/672
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