Subtract 16/45 from 27/10
1st number: 2 7/10, 2nd number: 16/45
27/10 - 16/45 is 211/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
27/10 = 27 × 9/10 × 9 = 243/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
16/45 = 16 × 2/45 × 2 = 32/90 - Subtract the two like fractions:
243/90 - 32/90 = 243 - 32/90 = 211/90 - In mixed form: 231/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/10-16/45 27/10-32/45 27/20-16/45 27/10-16/90 81/10-16/45 27/10-48/45 27/30-16/45 27/10-80/45 27/50-16/45 27/70-16/45