Subtract 8/72 from 75/10
1st number: 7 5/10, 2nd number: 8/72
75/10 - 8/72 is 133/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 10 × 36 = 360,
75/10 = 75 × 36/10 × 36 = 2700/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
8/72 = 8 × 5/72 × 5 = 40/360 - Subtract the two like fractions:
2700/360 - 40/360 = 2700 - 40/360 = 2660/360 - After reducing the fraction, the answer is 133/18
- In mixed form: 77/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/10-16/72 75/20-8/72 75/10-24/72 75/30-8/72 75/10-40/72 75/50-8/72 75/10-56/72 75/70-8/72