Subtract 21/10 from 50/27
1st number: 1 23/27, 2nd number: 2 1/10
50/27 - 21/10 is -67/270.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 10 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 27 × 10 = 270,
50/27 = 50 × 10/27 × 10 = 500/270 - Likewise, for the 2nd fraction, since 10 × 27 = 270,
21/10 = 21 × 27/10 × 27 = 567/270 - Subtract the two like fractions:
500/270 - 567/270 = 500 - 567/270 = -67/270
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/27-42/10 50/54-21/10 50/27-21/20 50/27-63/10 50/81-21/10 50/27-21/30 50/27-21/50 50/27-21/70