Subtract 96/90 from 8/40
1st number: 8/40, 2nd number: 1 6/90
8/40 - 96/90 is -13/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 90 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
8/40 = 8 × 9/40 × 9 = 72/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
96/90 = 96 × 4/90 × 4 = 384/360 - Subtract the two like fractions:
72/360 - 384/360 = 72 - 384/360 = -312/360 - After reducing the fraction, the answer is -13/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/40-96/90 8/80-96/90 24/40-96/90 56/40-96/90