Subtract 75/70 from 2/28
1st number: 2/28, 2nd number: 1 5/70
2/28 - 75/70 is -1/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
2/28 = 2 × 5/28 × 5 = 10/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
75/70 = 75 × 2/70 × 2 = 150/140 - Subtract the two like fractions:
10/140 - 150/140 = 10 - 150/140 = -140/140 - After reducing the fraction, the answer is -1/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/28-75/70 2/56-75/70 6/28-75/70 2/84-75/70 10/28-75/70 14/28-75/70