Subtract 63/30 from 5/45
1st number: 5/45, 2nd number: 2 3/30
5/45 - 63/30 is -179/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
5/45 = 5 × 2/45 × 2 = 10/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
63/30 = 63 × 3/30 × 3 = 189/90 - Subtract the two like fractions:
10/90 - 189/90 = 10 - 189/90 = -179/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/45-63/30 5/90-63/30 5/45-63/60 15/45-63/30 5/45-63/90 25/45-63/30 35/45-63/30