Subtract 30/42 from 98/15
1st number: 6 8/15, 2nd number: 30/42
98/15 - 30/42 is 611/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
98/15 = 98 × 14/15 × 14 = 1372/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
30/42 = 30 × 5/42 × 5 = 150/210 - Subtract the two like fractions:
1372/210 - 150/210 = 1372 - 150/210 = 1222/210 - After reducing the fraction, the answer is 611/105
- In mixed form: 586/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/15-60/42 98/30-30/42 98/15-30/84 98/15-90/42 98/45-30/42 98/75-30/42