Subtract 12/54 from 16/45
16/45 - 12/54 is 2/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 45 × 6 = 270,
16/45 = 16 × 6/45 × 6 = 96/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
12/54 = 12 × 5/54 × 5 = 60/270 - Subtract the two like fractions:
96/270 - 60/270 = 96 - 60/270 = 36/270 - After reducing the fraction, the answer is 2/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/45-12/54 16/45-24/54 16/90-12/54 48/45-12/54 16/45-36/54 80/45-12/54 16/45-60/54 16/45-84/54