Subtract 80/30 from 10/2
1st number: 5 0/2, 2nd number: 2 20/30
10/2 - 80/30 is 7/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 2 × 15 = 30,
10/2 = 10 × 15/2 × 15 = 150/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
80/30 = 80 × 1/30 × 1 = 80/30 - Subtract the two like fractions:
150/30 - 80/30 = 150 - 80/30 = 70/30 - After reducing the fraction, the answer is 7/3
- In mixed form: 21/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/2-80/30 10/4-80/30 10/2-80/60 30/2-80/30 10/6-80/30 10/2-80/90 50/2-80/30 70/2-80/30 10/14-80/30