Subtract 40/54 from 3/8
3/8 - 40/54 is -79/216.
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,
3/8 = 3 × 27/8 × 27 = 81/216 - Likewise, for the 2nd fraction, since 54 × 4 = 216,
40/54 = 40 × 4/54 × 4 = 160/216 - Subtract the two like fractions:
81/216 - 160/216 = 81 - 160/216 = -79/216
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