Subtract 15/10 from 30/27
1st number: 1 3/27, 2nd number: 1 5/10
30/27 - 15/10 is -7/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 10 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 27 × 10 = 270,
30/27 = 30 × 10/27 × 10 = 300/270 - Likewise, for the 2nd fraction, since 10 × 27 = 270,
15/10 = 15 × 27/10 × 27 = 405/270 - Subtract the two like fractions:
300/270 - 405/270 = 300 - 405/270 = -105/270 - After reducing the fraction, the answer is -7/18
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