Subtract 2/8 from 75/30
1st number: 2 15/30, 2nd number: 2/8
75/30 - 2/8 is 9/4.
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,
75/30 = 75 × 4/30 × 4 = 300/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
2/8 = 2 × 15/8 × 15 = 30/120 - Subtract the two like fractions:
300/120 - 30/120 = 300 - 30/120 = 270/120 - After reducing the fraction, the answer is 9/4
- In mixed form: 21/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/30-4/8 75/60-2/8 75/30-2/16 75/30-6/8 75/90-2/8 75/30-2/24 75/30-10/8 75/30-2/40 75/30-14/8 75/30-2/56