Subtract 9/98 from 45/40
1st number: 1 5/40, 2nd number: 9/98
45/40 - 9/98 is 405/392.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 98 is 1960
Next, find the equivalent fraction of both fractional numbers with denominator 1960 - For the 1st fraction, since 40 × 49 = 1960,
45/40 = 45 × 49/40 × 49 = 2205/1960 - Likewise, for the 2nd fraction, since 98 × 20 = 1960,
9/98 = 9 × 20/98 × 20 = 180/1960 - Subtract the two like fractions:
2205/1960 - 180/1960 = 2205 - 180/1960 = 2025/1960 - After reducing the fraction, the answer is 405/392
- In mixed form: 113/392
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/40-9/98 45/40-18/98 45/80-9/98 45/40-27/98 45/40-45/98 45/40-63/98