Subtract 30/15 from 16/98
1st number: 16/98, 2nd number: 2 0/15
16/98 - 30/15 is -90/49.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 15 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 98 × 15 = 1470,
16/98 = 16 × 15/98 × 15 = 240/1470 - Likewise, for the 2nd fraction, since 15 × 98 = 1470,
30/15 = 30 × 98/15 × 98 = 2940/1470 - Subtract the two like fractions:
240/1470 - 2940/1470 = 240 - 2940/1470 = -2700/1470 - After reducing the fraction, the answer is -90/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/98-30/15 16/98-60/15 48/98-30/15 16/98-90/15 16/98-30/45 80/98-30/15 16/98-30/75