Subtract 63/4 from 3/45
1st number: 3/45, 2nd number: 15 3/4
3/45 - 63/4 is -941/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 4 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
3/45 = 3 × 4/45 × 4 = 12/180 - Likewise, for the 2nd fraction, since 4 × 45 = 180,
63/4 = 63 × 45/4 × 45 = 2835/180 - Subtract the two like fractions:
12/180 - 2835/180 = 12 - 2835/180 = -2823/180 - After reducing the fraction, the answer is -941/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/45-63/4 3/90-63/4 3/45-63/8 9/45-63/4 3/45-63/12 15/45-63/4 3/45-63/20 21/45-63/4 3/45-63/28