Subtract 63/98 from 90/25
1st number: 3 15/25, 2nd number: 63/98
90/25 - 63/98 is 207/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 98 is 2450
Next, find the equivalent fraction of both fractional numbers with denominator 2450 - For the 1st fraction, since 25 × 98 = 2450,
90/25 = 90 × 98/25 × 98 = 8820/2450 - Likewise, for the 2nd fraction, since 98 × 25 = 2450,
63/98 = 63 × 25/98 × 25 = 1575/2450 - Subtract the two like fractions:
8820/2450 - 1575/2450 = 8820 - 1575/2450 = 7245/2450 - After reducing the fraction, the answer is 207/70
- In mixed form: 267/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/50-63/98 90/75-63/98