Subtract 15/10 from 45/7
1st number: 6 3/7, 2nd number: 1 5/10
45/7 - 15/10 is 69/14.
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,
45/7 = 45 × 10/7 × 10 = 450/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
15/10 = 15 × 7/10 × 7 = 105/70 - Subtract the two like fractions:
450/70 - 105/70 = 450 - 105/70 = 345/70 - After reducing the fraction, the answer is 69/14
- In mixed form: 413/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/7-15/10 45/7-30/10 45/14-15/10 45/7-15/20 45/7-45/10 45/21-15/10 45/7-15/30 45/7-75/10 45/35-15/10 45/7-15/50 45/49-15/10 45/7-15/70