Subtract 24/30 from 90/8
1st number: 11 2/8, 2nd number: 24/30
90/8 - 24/30 is 209/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 8 × 15 = 120,
90/8 = 90 × 15/8 × 15 = 1350/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
24/30 = 24 × 4/30 × 4 = 96/120 - Subtract the two like fractions:
1350/120 - 96/120 = 1350 - 96/120 = 1254/120 - After reducing the fraction, the answer is 209/20
- In mixed form: 109/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/8-48/30 90/16-24/30 90/8-24/60 90/8-72/30 90/24-24/30 90/8-24/90 90/40-24/30 90/56-24/30