Subtract 7/40 from 80/2
1st number: 40 0/2, 2nd number: 7/40
80/2 - 7/40 is 1593/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 2 × 20 = 40,
80/2 = 80 × 20/2 × 20 = 1600/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
7/40 = 7 × 1/40 × 1 = 7/40 - Subtract the two like fractions:
1600/40 - 7/40 = 1600 - 7/40 = 1593/40 - In mixed form: 3933/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/2-14/40 80/4-7/40 80/2-7/80 80/2-21/40 80/6-7/40 80/2-35/40 80/10-7/40 80/2-49/40 80/14-7/40