Add 20/81 and 12/32
20/81 + 12/32 is 403/648.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 32 is 2592
Next, find the equivalent fraction of both fractional numbers with denominator 2592 - For the 1st fraction, since 81 × 32 = 2592,
20/81 = 20 × 32/81 × 32 = 640/2592 - Likewise, for the 2nd fraction, since 32 × 81 = 2592,
12/32 = 12 × 81/32 × 81 = 972/2592 - Add the two like fractions:
640/2592 + 972/2592 = 640 + 972/2592 = 1612/2592 - 1612/2592 simplified gives 403/648
- So, 20/81 + 12/32 = 403/648
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