Add 8/21 and 20/32
8/21 + 20/32 is 169/168.
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,
20/32 = 20 × 21/32 × 21 = 420/672 - Add the two like fractions:
256/672 + 420/672 = 256 + 420/672 = 676/672 - 676/672 simplified gives 169/168
- So, 8/21 + 20/32 = 169/168
In mixed form: 11/168
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