Subtract 8/56 from 3/30
3/30 - 8/56 is -3/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 30 × 28 = 840,
3/30 = 3 × 28/30 × 28 = 84/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
8/56 = 8 × 15/56 × 15 = 120/840 - Subtract the two like fractions:
84/840 - 120/840 = 84 - 120/840 = -36/840 - After reducing the fraction, the answer is -3/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/30-8/56 3/30-16/56 3/60-8/56 9/30-8/56 3/30-24/56 3/90-8/56 15/30-8/56 3/30-40/56 21/30-8/56