Subtract 2/10 from 54/15
1st number: 3 9/15, 2nd number: 2/10
54/15 - 2/10 is 17/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 10 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
54/15 = 54 × 2/15 × 2 = 108/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
2/10 = 2 × 3/10 × 3 = 6/30 - Subtract the two like fractions:
108/30 - 6/30 = 108 - 6/30 = 102/30 - After reducing the fraction, the answer is 17/5
- In mixed form: 32/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/15-4/10 54/30-2/10 54/15-2/20 54/15-6/10 54/45-2/10 54/15-2/30 54/75-2/10 54/15-2/50 54/15-14/10 54/15-2/70