Subtract 9/21 from 21/27
2127 - 921 is 2263.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 21 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 27 × 7 = 189,
2127 = 21 × 727 × 7 = 147189 - Likewise, for the 2nd fraction, since 21 × 9 = 189,
921 = 9 × 921 × 9 = 81189 - Subtract the two like fractions:
147189 - 81189 = 147 - 81189 = 66189 - After reducing the fraction, the answer is 2263
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