Subtract 24/15 from 5/4
1st number: 1 1/4, 2nd number: 1 9/15
5/4 - 24/15 is -7/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 4 × 15 = 60,
5/4 = 5 × 15/4 × 15 = 75/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
24/15 = 24 × 4/15 × 4 = 96/60 - Subtract the two like fractions:
75/60 - 96/60 = 75 - 96/60 = -21/60 - After reducing the fraction, the answer is -7/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/4-24/15 5/4-48/15 5/8-24/15 5/4-24/30 15/4-24/15 5/4-72/15 5/12-24/15 5/4-24/45 25/4-24/15 5/20-24/15 5/4-24/75 35/4-24/15 5/28-24/15