Subtract 50/40 from 45/10
1st number: 4 5/10, 2nd number: 1 10/40
45/10 - 50/40 is 13/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 10 × 4 = 40,
45/10 = 45 × 4/10 × 4 = 180/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
50/40 = 50 × 1/40 × 1 = 50/40 - Subtract the two like fractions:
180/40 - 50/40 = 180 - 50/40 = 130/40 - After reducing the fraction, the answer is 13/4
- In mixed form: 31/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/10-50/40 45/20-50/40 45/10-50/80 45/30-50/40 45/50-50/40 45/70-50/40