Subtract 45/27 from 7/72
1st number: 7/72, 2nd number: 1 18/27
7/72 - 45/27 is -113/72.
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,
7/72 = 7 × 3/72 × 3 = 21/216 - Likewise, for the 2nd fraction, since 27 × 8 = 216,
45/27 = 45 × 8/27 × 8 = 360/216 - Subtract the two like fractions:
21/216 - 360/216 = 21 - 360/216 = -339/216 - After reducing the fraction, the answer is -113/72
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