Subtract 90/48 from 56/90
1st number: 56/90, 2nd number: 1 42/48
56/90 - 90/48 is -451/360.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 48 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 90 × 8 = 720,
56/90 = 56 × 8/90 × 8 = 448/720 - Likewise, for the 2nd fraction, since 48 × 15 = 720,
90/48 = 90 × 15/48 × 15 = 1350/720 - Subtract the two like fractions:
448/720 - 1350/720 = 448 - 1350/720 = -902/720 - After reducing the fraction, the answer is -451/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/90-90/96