Subtract 1/30 from 45/54
45/54 - 1/30 is 4/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 30 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
45/54 = 45 × 5/54 × 5 = 225/270 - Likewise, for the 2nd fraction, since 30 × 9 = 270,
1/30 = 1 × 9/30 × 9 = 9/270 - Subtract the two like fractions:
225/270 - 9/270 = 225 - 9/270 = 216/270 - After reducing the fraction, the answer is 4/5
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