Subtract 10/90 from 10/48
10/48 - 10/90 is 7/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 90 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 48 × 15 = 720,
10/48 = 10 × 15/48 × 15 = 150/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
10/90 = 10 × 8/90 × 8 = 80/720 - Subtract the two like fractions:
150/720 - 80/720 = 150 - 80/720 = 70/720 - After reducing the fraction, the answer is 7/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/48-10/90 10/48-20/90 10/96-10/90 30/48-10/90 10/48-30/90 50/48-10/90 10/48-50/90 70/48-10/90 10/48-70/90