Subtract 60/30 from 20/98
1st number: 20/98, 2nd number: 2 0/30
20/98 - 60/30 is -88/49.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 30 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 98 × 15 = 1470,
20/98 = 20 × 15/98 × 15 = 300/1470 - Likewise, for the 2nd fraction, since 30 × 49 = 1470,
60/30 = 60 × 49/30 × 49 = 2940/1470 - Subtract the two like fractions:
300/1470 - 2940/1470 = 300 - 2940/1470 = -2640/1470 - After reducing the fraction, the answer is -88/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/98-60/30 60/98-60/30 20/98-60/90