Subtract 54/16 from 20/10
1st number: 2 0/10, 2nd number: 3 6/16
20/10 - 54/16 is -11/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 10 × 8 = 80,
20/10 = 20 × 8/10 × 8 = 160/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
54/16 = 54 × 5/16 × 5 = 270/80 - Subtract the two like fractions:
160/80 - 270/80 = 160 - 270/80 = -110/80 - After reducing the fraction, the answer is -11/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/10-54/16 20/10-54/32 60/10-54/16 20/30-54/16 20/10-54/48 20/50-54/16 20/10-54/80 20/70-54/16