Subtract 3/42 from 98/70
1st number: 1 28/70, 2nd number: 3/42
98/70 - 3/42 is 93/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
98/70 = 98 × 3/70 × 3 = 294/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
3/42 = 3 × 5/42 × 5 = 15/210 - Subtract the two like fractions:
294/210 - 15/210 = 294 - 15/210 = 279/210 - After reducing the fraction, the answer is 93/70
- In mixed form: 123/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/70-6/42 98/70-3/84 98/70-9/42 98/70-15/42 98/70-21/42