Subtract 7/45 from 35/80
35/80 - 7/45 is 203/720.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 45 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
35/80 = 35 × 9/80 × 9 = 315/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
7/45 = 7 × 16/45 × 16 = 112/720 - Subtract the two like fractions:
315/720 - 112/720 = 315 - 112/720 = 203/720
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/80-7/45 35/80-14/45 35/80-7/90 35/80-21/45 35/80-35/45 35/80-49/45