Subtract 90/98 from 90/35
1st number: 2 20/35, 2nd number: 90/98
90/35 - 90/98 is 81/49.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 98 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 35 × 14 = 490,
90/35 = 90 × 14/35 × 14 = 1260/490 - Likewise, for the 2nd fraction, since 98 × 5 = 490,
90/98 = 90 × 5/98 × 5 = 450/490 - Subtract the two like fractions:
1260/490 - 450/490 = 1260 - 450/490 = 810/490 - After reducing the fraction, the answer is 81/49
- In mixed form: 132/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/70-90/98