Subtract 28/35 from 3/56
3/56 - 28/35 is -209/280.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 35 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
3/56 = 3 × 5/56 × 5 = 15/280 - Likewise, for the 2nd fraction, since 35 × 8 = 280,
28/35 = 28 × 8/35 × 8 = 224/280 - Subtract the two like fractions:
15/280 - 224/280 = 15 - 224/280 = -209/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/56-28/35 3/56-56/35 3/56-28/70 9/56-28/35 3/56-84/35 15/56-28/35 21/56-28/35