Subtract 63/6 from 45/20
1st number: 2 5/20, 2nd number: 10 3/6
45/20 - 63/6 is -33/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 6 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
45/20 = 45 × 3/20 × 3 = 135/60 - Likewise, for the 2nd fraction, since 6 × 10 = 60,
63/6 = 63 × 10/6 × 10 = 630/60 - Subtract the two like fractions:
135/60 - 630/60 = 135 - 630/60 = -495/60 - After reducing the fraction, the answer is -33/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/20-63/6 45/40-63/6 45/20-63/12 45/60-63/6 45/20-63/18 45/20-63/30 45/20-63/42