Subtract 64/10 from 9/7
1st number: 1 2/7, 2nd number: 6 4/10
9/7 - 64/10 is -179/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 10 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 10 × 7 = 70,
64/10 = 64 × 7/10 × 7 = 448/70 - Subtract the two like fractions:
90/70 - 448/70 = 90 - 448/70 = -358/70 - After reducing the fraction, the answer is -179/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/7-64/10 9/14-64/10 9/7-64/20 27/7-64/10 9/21-64/10 9/7-64/30 45/7-64/10 9/35-64/10 9/7-64/50 63/7-64/10 9/49-64/10 9/7-64/70