Subtract 2/80 from 8/30
8/30 - 2/80 is 29/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
8/30 = 8 × 8/30 × 8 = 64/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
2/80 = 2 × 3/80 × 3 = 6/240 - Subtract the two like fractions:
64/240 - 6/240 = 64 - 6/240 = 58/240 - After reducing the fraction, the answer is 29/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/30-2/80 8/30-4/80 8/60-2/80 24/30-2/80 8/30-6/80 8/90-2/80 40/30-2/80 8/30-10/80 56/30-2/80 8/30-14/80