Subtract 7/24 from 3/80
3/80 - 7/24 is -61/240.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 24 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
3/80 = 3 × 3/80 × 3 = 9/240 - Likewise, for the 2nd fraction, since 24 × 10 = 240,
7/24 = 7 × 10/24 × 10 = 70/240 - Subtract the two like fractions:
9/240 - 70/240 = 9 - 70/240 = -61/240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/80-7/24 3/80-14/24 3/80-7/48 9/80-7/24 3/80-21/24 3/80-7/72 15/80-7/24 3/80-35/24 21/80-7/24 3/80-49/24