Subtract 40/10 from 72/6
1st number: 12 0/6, 2nd number: 4 0/10
72/6 - 40/10 is 8/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 10 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 6 × 5 = 30,
72/6 = 72 × 5/6 × 5 = 360/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
40/10 = 40 × 3/10 × 3 = 120/30 - Subtract the two like fractions:
360/30 - 120/30 = 360 - 120/30 = 240/30 - After reducing the fraction, the answer is 8/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/6-80/10 72/12-40/10 72/6-40/20 72/18-40/10 72/6-40/30 72/30-40/10 72/6-40/50 72/42-40/10 72/6-40/70