Subtract 8/10 from 72/30
1st number: 2 12/30, 2nd number: 8/10
72/30 - 8/10 is 8/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 10 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
72/30 = 72 × 1/30 × 1 = 72/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
8/10 = 8 × 3/10 × 3 = 24/30 - Subtract the two like fractions:
72/30 - 24/30 = 72 - 24/30 = 48/30 - After reducing the fraction, the answer is 8/5
- In mixed form: 13/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/30-16/10 72/60-8/10 72/30-8/20 72/30-24/10 72/90-8/10 72/30-8/30 72/30-40/10 72/30-8/50 72/30-56/10 72/30-8/70