Subtract 40/8 from 28/54
1st number: 28/54, 2nd number: 5 0/8
28/54 - 40/8 is -121/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 8 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 54 × 4 = 216,
28/54 = 28 × 4/54 × 4 = 112/216 - Likewise, for the 2nd fraction, since 8 × 27 = 216,
40/8 = 40 × 27/8 × 27 = 1080/216 - Subtract the two like fractions:
112/216 - 1080/216 = 112 - 1080/216 = -968/216 - After reducing the fraction, the answer is -121/27
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