Subtract 63/45 from 2/4
1st number: 2/4, 2nd number: 1 18/45
2/4 - 63/45 is -9/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 4 × 45 = 180,
2/4 = 2 × 45/4 × 45 = 90/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
63/45 = 63 × 4/45 × 4 = 252/180 - Subtract the two like fractions:
90/180 - 252/180 = 90 - 252/180 = -162/180 - After reducing the fraction, the answer is -9/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/8-63/45 2/4-63/90 6/4-63/45 2/12-63/45 10/4-63/45 2/20-63/45 14/4-63/45 2/28-63/45