Subtract 60/63 from 45/48
45/48 - 60/63 is -5/336.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 63 is 1008
Next, find the equivalent fraction of both fractional numbers with denominator 1008 - For the 1st fraction, since 48 × 21 = 1008,
45/48 = 45 × 21/48 × 21 = 945/1008 - Likewise, for the 2nd fraction, since 63 × 16 = 1008,
60/63 = 60 × 16/63 × 16 = 960/1008 - Subtract the two like fractions:
945/1008 - 960/1008 = 945 - 960/1008 = -15/1008 - After reducing the fraction, the answer is -5/336
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/48-60/63 45/96-60/63