Subtract 3/54 from 12/30
12/30 - 3/54 is 31/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 30 × 9 = 270,
12/30 = 12 × 9/30 × 9 = 108/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
3/54 = 3 × 5/54 × 5 = 15/270 - Subtract the two like fractions:
108/270 - 15/270 = 108 - 15/270 = 93/270 - After reducing the fraction, the answer is 31/90
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