Subtract 84/98 from 3/30
3/30 - 84/98 is -53/70.
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,
3/30 = 3 × 49/30 × 49 = 147/1470 - Likewise, for the 2nd fraction, since 98 × 15 = 1470,
84/98 = 84 × 15/98 × 15 = 1260/1470 - Subtract the two like fractions:
147/1470 - 1260/1470 = 147 - 1260/1470 = -1113/1470 - After reducing the fraction, the answer is -53/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/30-84/98 3/60-84/98 9/30-84/98 3/90-84/98 15/30-84/98 21/30-84/98