Subtract 48/90 from 75/40
1st number: 1 35/40, 2nd number: 48/90
75/40 - 48/90 is 161/120.
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,
75/40 = 75 × 9/40 × 9 = 675/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
48/90 = 48 × 4/90 × 4 = 192/360 - Subtract the two like fractions:
675/360 - 192/360 = 675 - 192/360 = 483/360 - After reducing the fraction, the answer is 161/120
- In mixed form: 141/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/40-96/90 75/80-48/90