Subtract 80/45 from 14/30
1st number: 14/30, 2nd number: 1 35/45
14/30 - 80/45 is -59/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
14/30 = 14 × 3/30 × 3 = 42/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
80/45 = 80 × 2/45 × 2 = 160/90 - Subtract the two like fractions:
42/90 - 160/90 = 42 - 160/90 = -118/90 - After reducing the fraction, the answer is -59/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/30-80/45 14/60-80/45 14/30-80/90 42/30-80/45 14/90-80/45 70/30-80/45 98/30-80/45