Subtract 1/70 from 9/7
1st number: 1 2/7, 2nd number: 1/70
9/7 - 1/70 is 89/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 7 × 10 = 70,
9/7 = 9 × 10/7 × 10 = 90/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
1/70 = 1 × 1/70 × 1 = 1/70 - Subtract the two like fractions:
90/70 - 1/70 = 90 - 1/70 = 89/70 - In mixed form: 119/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/7-1/70 9/7-2/70 9/14-1/70 27/7-1/70 9/7-3/70 9/21-1/70 45/7-1/70 9/7-5/70 9/35-1/70 63/7-1/70 9/7-7/70 9/49-1/70