Subtract 7/40 from 72/2
1st number: 36 0/2, 2nd number: 7/40
72/2 - 7/40 is 1433/40.
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,
72/2 = 72 × 20/2 × 20 = 1440/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
7/40 = 7 × 1/40 × 1 = 7/40 - Subtract the two like fractions:
1440/40 - 7/40 = 1440 - 7/40 = 1433/40 - In mixed form: 3533/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/2-14/40 72/4-7/40 72/2-7/80 72/2-21/40 72/6-7/40 72/2-35/40 72/10-7/40 72/2-49/40 72/14-7/40