Subtract 8/28 from 32/20
1st number: 1 12/20, 2nd number: 8/28
32/20 - 8/28 is 46/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
32/20 = 32 × 7/20 × 7 = 224/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
8/28 = 8 × 5/28 × 5 = 40/140 - Subtract the two like fractions:
224/140 - 40/140 = 224 - 40/140 = 184/140 - After reducing the fraction, the answer is 46/35
- In mixed form: 111/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/20-8/28 32/20-16/28 32/40-8/28 32/20-8/56 96/20-8/28 32/20-24/28 32/60-8/28 32/20-8/84 32/20-40/28 32/20-56/28