Subtract 3/48 from 7/80
7/80 - 3/48 is 1/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
7/80 = 7 × 3/80 × 3 = 21/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
3/48 = 3 × 5/48 × 5 = 15/240 - Subtract the two like fractions:
21/240 - 15/240 = 21 - 15/240 = 6/240 - After reducing the fraction, the answer is 1/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/80-3/48 7/80-6/48 7/80-3/96 21/80-3/48 7/80-9/48 35/80-3/48 7/80-15/48 49/80-3/48 7/80-21/48