Subtract 21/27 from 45/10
1st number: 4 5/10, 2nd number: 21/27
45/10 - 21/27 is 67/18.
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,
45/10 = 45 × 27/10 × 27 = 1215/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
21/27 = 21 × 10/27 × 10 = 210/270 - Subtract the two like fractions:
1215/270 - 210/270 = 1215 - 210/270 = 1005/270 - After reducing the fraction, the answer is 67/18
- In mixed form: 313/18
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