Subtract 10/5 from 5/4
1st number: 1 1/4, 2nd number: 2 0/5
5/4 - 10/5 is -3/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
5/4 = 5 × 5/4 × 5 = 25/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
10/5 = 10 × 4/5 × 4 = 40/20 - Subtract the two like fractions:
25/20 - 40/20 = 25 - 40/20 = -15/20 - After reducing the fraction, the answer is -3/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/4-10/5 5/4-20/5 5/8-10/5 15/4-10/5 5/4-30/5 5/12-10/5 5/4-10/15 25/4-10/5 5/4-50/5 5/20-10/5 5/4-10/25 35/4-10/5 5/4-70/5 5/28-10/5 5/4-10/35