Subtract 16/27 from 21/5
1st number: 4 1/5, 2nd number: 16/27
21/5 - 16/27 is 487/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 5 × 27 = 135,
21/5 = 21 × 27/5 × 27 = 567/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
16/27 = 16 × 5/27 × 5 = 80/135 - Subtract the two like fractions:
567/135 - 80/135 = 567 - 80/135 = 487/135 - In mixed form: 382/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/5-16/27 21/5-32/27 21/10-16/27 21/5-16/54 63/5-16/27 21/5-48/27 21/15-16/27 21/5-16/81 21/5-80/27 21/25-16/27 21/35-16/27