Subtract 8/16 from 4/30
4/30 - 8/16 is -11/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 16 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
4/30 = 4 × 8/30 × 8 = 32/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
8/16 = 8 × 15/16 × 15 = 120/240 - Subtract the two like fractions:
32/240 - 120/240 = 32 - 120/240 = -88/240 - After reducing the fraction, the answer is -11/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/30-8/16 4/60-8/16 4/30-8/32 12/30-8/16 4/30-24/16 4/90-8/16 4/30-8/48 20/30-8/16 4/30-40/16 4/30-8/80 28/30-8/16 4/30-56/16