Subtract 75/4 from 8/30
1st number: 8/30, 2nd number: 18 3/4
8/30 - 75/4 is -1109/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 4 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
8/30 = 8 × 2/30 × 2 = 16/60 - Likewise, for the 2nd fraction, since 4 × 15 = 60,
75/4 = 75 × 15/4 × 15 = 1125/60 - Subtract the two like fractions:
16/60 - 1125/60 = 16 - 1125/60 = -1109/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/30-75/4 8/60-75/4 8/30-75/8 24/30-75/4 8/90-75/4 8/30-75/12 40/30-75/4 8/30-75/20 56/30-75/4 8/30-75/28