Subtract 2/10 from 45/7
1st number: 6 3/7, 2nd number: 2/10
45/7 - 2/10 is 218/35.
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,
45/7 = 45 × 10/7 × 10 = 450/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
2/10 = 2 × 7/10 × 7 = 14/70 - Subtract the two like fractions:
450/70 - 14/70 = 450 - 14/70 = 436/70 - After reducing the fraction, the answer is 218/35
- In mixed form: 68/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/7-2/10 45/7-4/10 45/14-2/10 45/7-2/20 45/7-6/10 45/21-2/10 45/7-2/30 45/35-2/10 45/7-2/50 45/7-14/10 45/49-2/10 45/7-2/70