Subtract 32/80 from 80/30
1st number: 2 20/30, 2nd number: 32/80
80/30 - 32/80 is 34/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
80/30 = 80 × 8/30 × 8 = 640/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
32/80 = 32 × 3/80 × 3 = 96/240 - Subtract the two like fractions:
640/240 - 96/240 = 640 - 96/240 = 544/240 - After reducing the fraction, the answer is 34/15
- In mixed form: 24/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/30-64/80 80/60-32/80 80/30-96/80 80/90-32/80