Subtract 80/4 from 7/2
1st number: 3 1/2, 2nd number: 20 0/4
7/2 - 80/4 is -33/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 4 is 4
Next, find the equivalent fraction of both fractional numbers with denominator 4 - For the 1st fraction, since 2 × 2 = 4,
7/2 = 7 × 2/2 × 2 = 14/4 - Likewise, for the 2nd fraction, since 4 × 1 = 4,
80/4 = 80 × 1/4 × 1 = 80/4 - Subtract the two like fractions:
14/4 - 80/4 = 14 - 80/4 = -66/4 - After reducing the fraction, the answer is -33/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/2-80/4 7/4-80/4 7/2-80/8 21/2-80/4 7/6-80/4 7/2-80/12 35/2-80/4 7/10-80/4 7/2-80/20 49/2-80/4 7/14-80/4 7/2-80/28