Subtract 60/12 from 27/45
1st number: 27/45, 2nd number: 5 0/12
27/45 - 60/12 is -22/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 12 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
27/45 = 27 × 4/45 × 4 = 108/180 - Likewise, for the 2nd fraction, since 12 × 15 = 180,
60/12 = 60 × 15/12 × 15 = 900/180 - Subtract the two like fractions:
108/180 - 900/180 = 108 - 900/180 = -792/180 - After reducing the fraction, the answer is -22/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/45-60/12 27/90-60/12 27/45-60/24 81/45-60/12 27/45-60/36 27/45-60/84