Subtract 56/10 from 30/8
1st number: 3 6/8, 2nd number: 5 6/10
30/8 - 56/10 is -37/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 10 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
30/8 = 30 × 5/8 × 5 = 150/40 - Likewise, for the 2nd fraction, since 10 × 4 = 40,
56/10 = 56 × 4/10 × 4 = 224/40 - Subtract the two like fractions:
150/40 - 224/40 = 150 - 224/40 = -74/40 - After reducing the fraction, the answer is -37/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/8-56/10 30/16-56/10 30/8-56/20 90/8-56/10 30/24-56/10 30/8-56/30 30/40-56/10 30/8-56/50 30/56-56/10 30/8-56/70