Subtract 4/60 from 80/45
1st number: 1 35/45, 2nd number: 4/60
80/45 - 4/60 is 77/45.
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,
4/60 = 4 × 3/60 × 3 = 12/180 - Subtract the two like fractions:
320/180 - 12/180 = 320 - 12/180 = 308/180 - After reducing the fraction, the answer is 77/45
- In mixed form: 132/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/45-8/60 80/90-4/60 80/45-12/60 80/45-20/60 80/45-28/60