Subtract 63/24 from 45/30
1st number: 1 15/30, 2nd number: 2 15/24
45/30 - 63/24 is -9/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
45/30 = 45 × 4/30 × 4 = 180/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
63/24 = 63 × 5/24 × 5 = 315/120 - Subtract the two like fractions:
180/120 - 315/120 = 180 - 315/120 = -135/120 - After reducing the fraction, the answer is -9/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/30-63/24 45/60-63/24 45/30-63/48 45/90-63/24 45/30-63/72