Subtract 45/54 from 20/8
1st number: 2 4/8, 2nd number: 45/54
20/8 - 45/54 is 5/3.
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,
20/8 = 20 × 27/8 × 27 = 540/216 - Likewise, for the 2nd fraction, since 54 × 4 = 216,
45/54 = 45 × 4/54 × 4 = 180/216 - Subtract the two like fractions:
540/216 - 180/216 = 540 - 180/216 = 360/216 - After reducing the fraction, the answer is 5/3
- In mixed form: 12/3
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