Subtract 15/98 from 42/28
1st number: 1 14/28, 2nd number: 15/98
42/28 - 15/98 is 66/49.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 98 is 196
Next, find the equivalent fraction of both fractional numbers with denominator 196 - For the 1st fraction, since 28 × 7 = 196,
42/28 = 42 × 7/28 × 7 = 294/196 - Likewise, for the 2nd fraction, since 98 × 2 = 196,
15/98 = 15 × 2/98 × 2 = 30/196 - Subtract the two like fractions:
294/196 - 30/196 = 294 - 30/196 = 264/196 - After reducing the fraction, the answer is 66/49
- In mixed form: 117/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/28-15/98 42/28-30/98 42/56-15/98 42/28-45/98 42/84-15/98 42/28-75/98