Subtract 15/18 from 60/45
1st number: 1 15/45, 2nd number: 15/18
60/45 - 15/18 is 1/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
60/45 = 60 × 2/45 × 2 = 120/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
15/18 = 15 × 5/18 × 5 = 75/90 - Subtract the two like fractions:
120/90 - 75/90 = 120 - 75/90 = 45/90 - After reducing the fraction, the answer is 1/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/45-30/18 60/90-15/18 60/45-15/36 60/45-45/18 60/45-15/54 60/45-75/18 60/45-15/90