Subtract 50/90 from 98/45
1st number: 2 8/45, 2nd number: 50/90
98/45 - 50/90 is 73/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
98/45 = 98 × 2/45 × 2 = 196/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
50/90 = 50 × 1/90 × 1 = 50/90 - Subtract the two like fractions:
196/90 - 50/90 = 196 - 50/90 = 146/90 - After reducing the fraction, the answer is 73/45
- In mixed form: 128/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/90-50/90