Subtract 8/27 from 21/10
1st number: 2 1/10, 2nd number: 8/27
21/10 - 8/27 is 487/270.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 27 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 10 × 27 = 270,
21/10 = 21 × 27/10 × 27 = 567/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
8/27 = 8 × 10/27 × 10 = 80/270 - Subtract the two like fractions:
567/270 - 80/270 = 567 - 80/270 = 487/270 - In mixed form: 1217/270
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