Subtract 9/70 from 35/30
1st number: 1 5/30, 2nd number: 9/70
35/30 - 9/70 is 109/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
35/30 = 35 × 7/30 × 7 = 245/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
9/70 = 9 × 3/70 × 3 = 27/210 - Subtract the two like fractions:
245/210 - 27/210 = 245 - 27/210 = 218/210 - After reducing the fraction, the answer is 109/105
- In mixed form: 14/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/30-9/70 35/30-18/70 35/60-9/70 35/30-27/70 35/90-9/70 35/30-45/70 35/30-63/70