Subtract 42/9 from 7/32
1st number: 7/32, 2nd number: 4 6/9
7/32 - 42/9 is -427/96.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 9 is 288
Next, find the equivalent fraction of both fractional numbers with denominator 288 - For the 1st fraction, since 32 × 9 = 288,
7/32 = 7 × 9/32 × 9 = 63/288 - Likewise, for the 2nd fraction, since 9 × 32 = 288,
42/9 = 42 × 32/9 × 32 = 1344/288 - Subtract the two like fractions:
63/288 - 1344/288 = 63 - 1344/288 = -1281/288 - After reducing the fraction, the answer is -427/96
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/32-42/9 7/32-84/9 7/64-42/9 7/32-42/18 21/32-42/9 7/96-42/9 7/32-42/27 35/32-42/9 7/32-42/45 49/32-42/9 7/32-42/63