Subtract 54/24 from 63/45
1st number: 1 18/45, 2nd number: 2 6/24
63/45 - 54/24 is -17/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 24 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
63/45 = 63 × 8/45 × 8 = 504/360 - Likewise, for the 2nd fraction, since 24 × 15 = 360,
54/24 = 54 × 15/24 × 15 = 810/360 - Subtract the two like fractions:
504/360 - 810/360 = 504 - 810/360 = -306/360 - After reducing the fraction, the answer is -17/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/90-54/24 63/45-54/48 63/45-54/72