Subtract 4/60 from 1/45
1/45 - 4/60 is -2/45.
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,
1/45 = 1 × 4/45 × 4 = 4/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
4/60 = 4 × 3/60 × 3 = 12/180 - Subtract the two like fractions:
4/180 - 12/180 = 4 - 12/180 = -8/180 - After reducing the fraction, the answer is -2/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/45-4/60 1/45-8/60 1/90-4/60 3/45-4/60 1/45-12/60 5/45-4/60 1/45-20/60 7/45-4/60 1/45-28/60