Subtract 3/10 from 28/54
28/54 - 3/10 is 59/270.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 10 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
28/54 = 28 × 5/54 × 5 = 140/270 - Likewise, for the 2nd fraction, since 10 × 27 = 270,
3/10 = 3 × 27/10 × 27 = 81/270 - Subtract the two like fractions:
140/270 - 81/270 = 140 - 81/270 = 59/270
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/54-3/10 28/54-6/10 28/54-3/20 84/54-3/10 28/54-9/10 28/54-3/30 28/54-15/10 28/54-3/50 28/54-21/10 28/54-3/70