Add 20/21 and 4/32
20/21 + 4/32 is 181/168.
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,
20/21 = 20 × 32/21 × 32 = 640/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
4/32 = 4 × 21/32 × 21 = 84/672 - Add the two like fractions:
640/672 + 84/672 = 640 + 84/672 = 724/672 - 724/672 simplified gives 181/168
- So, 20/21 + 4/32 = 181/168
In mixed form: 113/168
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