Subtract 7/98 from 42/35
1st number: 1 7/35, 2nd number: 7/98
42/35 - 7/98 is 79/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 98 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 35 × 14 = 490,
42/35 = 42 × 14/35 × 14 = 588/490 - Likewise, for the 2nd fraction, since 98 × 5 = 490,
7/98 = 7 × 5/98 × 5 = 35/490 - Subtract the two like fractions:
588/490 - 35/490 = 588 - 35/490 = 553/490 - After reducing the fraction, the answer is 79/70
- In mixed form: 19/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/35-7/98 42/35-14/98 42/70-7/98 42/35-21/98 42/35-35/98 42/35-49/98