Subtract 7/5 from 80/30
1st number: 2 20/30, 2nd number: 1 2/5
80/30 - 7/5 is 19/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 5 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
80/30 = 80 × 1/30 × 1 = 80/30 - Likewise, for the 2nd fraction, since 5 × 6 = 30,
7/5 = 7 × 6/5 × 6 = 42/30 - Subtract the two like fractions:
80/30 - 42/30 = 80 - 42/30 = 38/30 - After reducing the fraction, the answer is 19/15
- In mixed form: 14/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/30-14/5 80/60-7/5 80/30-7/10 80/30-21/5 80/90-7/5 80/30-7/15 80/30-35/5 80/30-7/25 80/30-49/5 80/30-7/35