Subtract 8/60 from 80/45
1st number: 1 35/45, 2nd number: 8/60
80/45 - 8/60 is 74/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
80/45 = 80 × 4/45 × 4 = 320/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
8/60 = 8 × 3/60 × 3 = 24/180 - Subtract the two like fractions:
320/180 - 24/180 = 320 - 24/180 = 296/180 - After reducing the fraction, the answer is 74/45
- In mixed form: 129/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/45-16/60 80/90-8/60 80/45-24/60 80/45-40/60 80/45-56/60