Subtract 8/30 from 3/56
3/56 - 8/30 is -179/840.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 30 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 56 × 15 = 840,
3/56 = 3 × 15/56 × 15 = 45/840 - Likewise, for the 2nd fraction, since 30 × 28 = 840,
8/30 = 8 × 28/30 × 28 = 224/840 - Subtract the two like fractions:
45/840 - 224/840 = 45 - 224/840 = -179/840
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/56-8/30 3/56-16/30 3/56-8/60 9/56-8/30 3/56-24/30 3/56-8/90 15/56-8/30 3/56-40/30 21/56-8/30 3/56-56/30