Subtract 10/21 from 36/98
36/98 - 10/21 is -16/147.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 21 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 98 × 3 = 294,
36/98 = 36 × 3/98 × 3 = 108/294 - Likewise, for the 2nd fraction, since 21 × 14 = 294,
10/21 = 10 × 14/21 × 14 = 140/294 - Subtract the two like fractions:
108/294 - 140/294 = 108 - 140/294 = -32/294 - After reducing the fraction, the answer is -16/147
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/98-10/21 36/98-20/21 36/98-10/42 36/98-30/21 36/98-10/63 36/98-50/21 36/98-70/21