Subtract 36/28 from 42/98
1st number: 42/98, 2nd number: 1 8/28
42/98 - 36/28 is -6/7.
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,
42/98 = 42 × 2/98 × 2 = 84/196 - Likewise, for the 2nd fraction, since 28 × 7 = 196,
36/28 = 36 × 7/28 × 7 = 252/196 - Subtract the two like fractions:
84/196 - 252/196 = 84 - 252/196 = -168/196 - After reducing the fraction, the answer is -6/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/98-36/28 42/98-72/28 42/98-36/56 42/98-36/84