Subtract 15/9 from 24/90
1st number: 24/90, 2nd number: 1 6/9
24/90 - 15/9 is -7/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 9 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
24/90 = 24 × 1/90 × 1 = 24/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
15/9 = 15 × 10/9 × 10 = 150/90 - Subtract the two like fractions:
24/90 - 150/90 = 24 - 150/90 = -126/90 - After reducing the fraction, the answer is -7/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/90-15/9 24/90-30/9 24/90-15/18 72/90-15/9 24/90-45/9 24/90-15/27 24/90-75/9 24/90-15/45 24/90-15/63