Subtract 24/80 from 1/30
1/30 - 24/80 is -4/15.
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,
1/30 = 1 × 8/30 × 8 = 8/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
24/80 = 24 × 3/80 × 3 = 72/240 - Subtract the two like fractions:
8/240 - 72/240 = 8 - 72/240 = -64/240 - After reducing the fraction, the answer is -4/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/30-24/80 1/30-48/80 1/60-24/80 3/30-24/80 1/30-72/80 1/90-24/80 5/30-24/80 7/30-24/80