Subtract 7/27 from 45/72
45/72 - 7/27 is 79/216.
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,
45/72 = 45 × 3/72 × 3 = 135/216 - Likewise, for the 2nd fraction, since 27 × 8 = 216,
7/27 = 7 × 8/27 × 8 = 56/216 - Subtract the two like fractions:
135/216 - 56/216 = 135 - 56/216 = 79/216
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