Subtract 14/3 from 28/70
1st number: 28/70, 2nd number: 4 2/3
28/70 - 14/3 is -64/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 3 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
28/70 = 28 × 3/70 × 3 = 84/210 - Likewise, for the 2nd fraction, since 3 × 70 = 210,
14/3 = 14 × 70/3 × 70 = 980/210 - Subtract the two like fractions:
84/210 - 980/210 = 84 - 980/210 = -896/210 - After reducing the fraction, the answer is -64/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/70-14/3 28/70-28/3 28/70-14/6 84/70-14/3 28/70-42/3 28/70-14/9 28/70-70/3 28/70-14/15 28/70-98/3 28/70-14/21