Subtract 98/42 from 30/35
1st number: 30/35, 2nd number: 2 14/42
30/35 - 98/42 is -31/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 35 × 6 = 210,
30/35 = 30 × 6/35 × 6 = 180/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
98/42 = 98 × 5/42 × 5 = 490/210 - Subtract the two like fractions:
180/210 - 490/210 = 180 - 490/210 = -310/210 - After reducing the fraction, the answer is -31/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/35-98/42 30/70-98/42 30/35-98/84 90/35-98/42