Subtract 1/45 from 45/60
45/60 - 1/45 is 131/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
45/60 = 45 × 3/60 × 3 = 135/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
1/45 = 1 × 4/45 × 4 = 4/180 - Subtract the two like fractions:
135/180 - 4/180 = 135 - 4/180 = 131/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/60-1/45 45/60-2/45 45/60-1/90 45/60-3/45 45/60-5/45 45/60-7/45