Subtract 72/27 from 8/30
1st number: 8/30, 2nd number: 2 18/27
8/30 - 72/27 is -12/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 27 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 30 × 9 = 270,
8/30 = 8 × 9/30 × 9 = 72/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
72/27 = 72 × 10/27 × 10 = 720/270 - Subtract the two like fractions:
72/270 - 720/270 = 72 - 720/270 = -648/270 - After reducing the fraction, the answer is -12/5
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