Subtract 28/16 from 32/70
1st number: 32/70, 2nd number: 1 12/16
32/70 - 28/16 is -181/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 16 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 70 × 8 = 560,
32/70 = 32 × 8/70 × 8 = 256/560 - Likewise, for the 2nd fraction, since 16 × 35 = 560,
28/16 = 28 × 35/16 × 35 = 980/560 - Subtract the two like fractions:
256/560 - 980/560 = 256 - 980/560 = -724/560 - After reducing the fraction, the answer is -181/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/70-28/16 32/70-56/16 32/70-28/32 96/70-28/16 32/70-84/16 32/70-28/48 32/70-28/80