Subtract 49/4 from 45/10
1st number: 4 5/10, 2nd number: 12 1/4
45/10 - 49/4 is -31/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 4 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 10 × 2 = 20,
45/10 = 45 × 2/10 × 2 = 90/20 - Likewise, for the 2nd fraction, since 4 × 5 = 20,
49/4 = 49 × 5/4 × 5 = 245/20 - Subtract the two like fractions:
90/20 - 245/20 = 90 - 245/20 = -155/20 - After reducing the fraction, the answer is -31/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/10-49/4 45/10-98/4 45/20-49/4 45/10-49/8 45/30-49/4 45/10-49/12 45/50-49/4 45/10-49/20 45/70-49/4 45/10-49/28