Subtract 12/7 from 40/10
1st number: 4 0/10, 2nd number: 1 5/7
40/10 - 12/7 is 16/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 7 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
40/10 = 40 × 7/10 × 7 = 280/70 - Likewise, for the 2nd fraction, since 7 × 10 = 70,
12/7 = 12 × 10/7 × 10 = 120/70 - Subtract the two like fractions:
280/70 - 120/70 = 280 - 120/70 = 160/70 - After reducing the fraction, the answer is 16/7
- In mixed form: 22/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/10-12/7 40/10-24/7 40/20-12/7 40/10-12/14 40/10-36/7 40/30-12/7 40/10-12/21 40/10-60/7 40/50-12/7 40/10-12/35 40/10-84/7 40/70-12/7 40/10-12/49