Subtract 2/10 from 40/28
1st number: 1 12/28, 2nd number: 2/10
40/28 - 2/10 is 43/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 10 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
40/28 = 40 × 5/28 × 5 = 200/140 - Likewise, for the 2nd fraction, since 10 × 14 = 140,
2/10 = 2 × 14/10 × 14 = 28/140 - Subtract the two like fractions:
200/140 - 28/140 = 200 - 28/140 = 172/140 - After reducing the fraction, the answer is 43/35
- In mixed form: 18/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/28-2/10 40/28-4/10 40/56-2/10 40/28-2/20 40/28-6/10 40/84-2/10 40/28-2/30 40/28-2/50 40/28-14/10 40/28-2/70