Subtract 12/54 from 4/15
4/15 - 12/54 is 2/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 15 × 18 = 270,
4/15 = 4 × 18/15 × 18 = 72/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
12/54 = 12 × 5/54 × 5 = 60/270 - Subtract the two like fractions:
72/270 - 60/270 = 72 - 60/270 = 12/270 - After reducing the fraction, the answer is 2/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/15-12/54 4/15-24/54 4/30-12/54 12/15-12/54 4/15-36/54 4/45-12/54 20/15-12/54 4/15-60/54 4/75-12/54 28/15-12/54 4/15-84/54