Subtract 28/70 from 9/5
1st number: 1 4/5, 2nd number: 28/70
9/5 - 28/70 is 7/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 5 × 14 = 70,
9/5 = 9 × 14/5 × 14 = 126/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
28/70 = 28 × 1/70 × 1 = 28/70 - Subtract the two like fractions:
126/70 - 28/70 = 126 - 28/70 = 98/70 - After reducing the fraction, the answer is 7/5
- In mixed form: 12/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/5-28/70 9/5-56/70 9/10-28/70 27/5-28/70 9/5-84/70 9/15-28/70 45/5-28/70 9/25-28/70 63/5-28/70 9/35-28/70