Subtract 48/40 from 8/9
1st number: 8/9, 2nd number: 1 8/40
8/9 - 48/40 is -14/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 9 × 40 = 360,
8/9 = 8 × 40/9 × 40 = 320/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
48/40 = 48 × 9/40 × 9 = 432/360 - Subtract the two like fractions:
320/360 - 432/360 = 320 - 432/360 = -112/360 - After reducing the fraction, the answer is -14/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/9-48/40 8/9-96/40 8/18-48/40 8/9-48/80 24/9-48/40 8/27-48/40 40/9-48/40 8/45-48/40 56/9-48/40 8/63-48/40