Subtract 9/30 from 9/8
1st number: 1 1/8, 2nd number: 9/30
9/8 - 9/30 is 33/40.
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,
9/8 = 9 × 15/8 × 15 = 135/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
9/30 = 9 × 4/30 × 4 = 36/120 - Subtract the two like fractions:
135/120 - 36/120 = 135 - 36/120 = 99/120 - After reducing the fraction, the answer is 33/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/8-9/30 9/8-18/30 9/16-9/30 9/8-9/60 27/8-9/30 9/8-27/30 9/24-9/30 9/8-9/90 45/8-9/30 9/8-45/30 9/40-9/30 63/8-9/30 9/8-63/30 9/56-9/30