Subtract 72/28 from 1/98
1st number: 1/98, 2nd number: 2 16/28
1/98 - 72/28 is -251/98.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 28 is 196
Next, find the equivalent fraction of both fractional numbers with denominator 196 - For the 1st fraction, since 98 × 2 = 196,
1/98 = 1 × 2/98 × 2 = 2/196 - Likewise, for the 2nd fraction, since 28 × 7 = 196,
72/28 = 72 × 7/28 × 7 = 504/196 - Subtract the two like fractions:
2/196 - 504/196 = 2 - 504/196 = -502/196 - After reducing the fraction, the answer is -251/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/98-72/28 1/98-72/56 3/98-72/28 1/98-72/84 5/98-72/28 7/98-72/28