Subtract 7/54 from 7/8
7/8 - 7/54 is 161/216.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 54 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 8 × 27 = 216,
7/8 = 7 × 27/8 × 27 = 189/216 - Likewise, for the 2nd fraction, since 54 × 4 = 216,
7/54 = 7 × 4/54 × 4 = 28/216 - Subtract the two like fractions:
189/216 - 28/216 = 189 - 28/216 = 161/216
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