Subtract 1/9 from 21/36
21/36 - 1/9 is 17/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 9 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 36 × 1 = 36,
21/36 = 21 × 1/36 × 1 = 21/36 - Likewise, for the 2nd fraction, since 9 × 4 = 36,
1/9 = 1 × 4/9 × 4 = 4/36 - Subtract the two like fractions:
21/36 - 4/36 = 21 - 4/36 = 17/36
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