Subtract 2/45 from 90/8
1st number: 11 2/8, 2nd number: 2/45
90/8 - 2/45 is 2017/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 8 × 45 = 360,
90/8 = 90 × 45/8 × 45 = 4050/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
2/45 = 2 × 8/45 × 8 = 16/360 - Subtract the two like fractions:
4050/360 - 16/360 = 4050 - 16/360 = 4034/360 - After reducing the fraction, the answer is 2017/180
- In mixed form: 1137/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/8-4/45 90/16-2/45 90/8-2/90 90/8-6/45 90/24-2/45 90/8-10/45 90/40-2/45 90/8-14/45 90/56-2/45