Subtract 8/30 from 3/16
3/16 - 8/30 is -19/240.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 30 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 16 × 15 = 240,
3/16 = 3 × 15/16 × 15 = 45/240 - Likewise, for the 2nd fraction, since 30 × 8 = 240,
8/30 = 8 × 8/30 × 8 = 64/240 - Subtract the two like fractions:
45/240 - 64/240 = 45 - 64/240 = -19/240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/16-8/30 3/16-16/30 3/32-8/30 3/16-8/60 9/16-8/30 3/16-24/30 3/48-8/30 3/16-8/90 15/16-8/30 3/16-40/30 3/80-8/30 21/16-8/30 3/16-56/30