Subtract 9/27 from 15/72
15/72 - 9/27 is -1/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 27 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 72 × 3 = 216,
15/72 = 15 × 3/72 × 3 = 45/216 - Likewise, for the 2nd fraction, since 27 × 8 = 216,
9/27 = 9 × 8/27 × 8 = 72/216 - Subtract the two like fractions:
45/216 - 72/216 = 45 - 72/216 = -27/216 - After reducing the fraction, the answer is -1/8
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