Subtract 80/32 from 7/9
1st number: 7/9, 2nd number: 2 16/32
7/9 - 80/32 is -31/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 32 is 288
Next, find the equivalent fraction of both fractional numbers with denominator 288 - For the 1st fraction, since 9 × 32 = 288,
7/9 = 7 × 32/9 × 32 = 224/288 - Likewise, for the 2nd fraction, since 32 × 9 = 288,
80/32 = 80 × 9/32 × 9 = 720/288 - Subtract the two like fractions:
224/288 - 720/288 = 224 - 720/288 = -496/288 - After reducing the fraction, the answer is -31/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/9-80/32 7/18-80/32 7/9-80/64 21/9-80/32 7/27-80/32 7/9-80/96 35/9-80/32 7/45-80/32 49/9-80/32 7/63-80/32