Subtract 70/10 from 28/14
1st number: 2 0/14, 2nd number: 7 0/10
28/14 - 70/10 is -5/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 14 × 5 = 70,
28/14 = 28 × 5/14 × 5 = 140/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
70/10 = 70 × 7/10 × 7 = 490/70 - Subtract the two like fractions:
140/70 - 490/70 = 140 - 490/70 = -350/70 - After reducing the fraction, the answer is -5/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/14-70/10 28/14-70/20 84/14-70/10 28/42-70/10 28/14-70/30 28/70-70/10 28/14-70/50 28/98-70/10