Subtract 4/90 from 80/24
1st number: 3 8/24, 2nd number: 4/90
80/24 - 4/90 is 148/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 90 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 24 × 15 = 360,
80/24 = 80 × 15/24 × 15 = 1200/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
4/90 = 4 × 4/90 × 4 = 16/360 - Subtract the two like fractions:
1200/360 - 16/360 = 1200 - 16/360 = 1184/360 - After reducing the fraction, the answer is 148/45
- In mixed form: 313/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/24-8/90 80/48-4/90 80/24-12/90 80/72-4/90 80/24-20/90 80/24-28/90