Subtract 2/98 from 42/30
1st number: 1 12/30, 2nd number: 2/98
42/30 - 2/98 is 338/245.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 98 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 30 × 49 = 1470,
42/30 = 42 × 49/30 × 49 = 2058/1470 - Likewise, for the 2nd fraction, since 98 × 15 = 1470,
2/98 = 2 × 15/98 × 15 = 30/1470 - Subtract the two like fractions:
2058/1470 - 30/1470 = 2058 - 30/1470 = 2028/1470 - After reducing the fraction, the answer is 338/245
- In mixed form: 193/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/30-2/98 42/30-4/98 42/60-2/98 42/30-6/98 42/90-2/98 42/30-10/98 42/30-14/98