Subtract 21/32 from 35/81
35/81 - 21/32 is -581/2592.
Steps for subtracting 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,
35/81 = 35 × 32/81 × 32 = 1120/2592 - Likewise, for the 2nd fraction, since 32 × 81 = 2592,
21/32 = 21 × 81/32 × 81 = 1701/2592 - Subtract the two like fractions:
1120/2592 - 1701/2592 = 1120 - 1701/2592 = -581/2592
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