Subtract 96/30 from 21/98
1st number: 21/98, 2nd number: 3 6/30
21/98 - 96/30 is -209/70.
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,
21/98 = 21 × 15/98 × 15 = 315/1470 - Likewise, for the 2nd fraction, since 30 × 49 = 1470,
96/30 = 96 × 49/30 × 49 = 4704/1470 - Subtract the two like fractions:
315/1470 - 4704/1470 = 315 - 4704/1470 = -4389/1470 - After reducing the fraction, the answer is -209/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/98-96/30 21/98-96/60 63/98-96/30 21/98-96/90