Subtract 75/8 from 10/30
1st number: 10/30, 2nd number: 9 3/8
10/30 - 75/8 is -217/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
10/30 = 10 × 4/30 × 4 = 40/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
75/8 = 75 × 15/8 × 15 = 1125/120 - Subtract the two like fractions:
40/120 - 1125/120 = 40 - 1125/120 = -1085/120 - After reducing the fraction, the answer is -217/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/30-75/8 10/60-75/8 10/30-75/16 10/90-75/8 10/30-75/24 50/30-75/8 10/30-75/40 70/30-75/8 10/30-75/56