Subtract 70/35 from 98/30
1st number: 3 8/30, 2nd number: 2 0/35
98/30 - 70/35 is 19/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 35 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
98/30 = 98 × 7/30 × 7 = 686/210 - Likewise, for the 2nd fraction, since 35 × 6 = 210,
70/35 = 70 × 6/35 × 6 = 420/210 - Subtract the two like fractions:
686/210 - 420/210 = 686 - 420/210 = 266/210 - After reducing the fraction, the answer is 19/15
- In mixed form: 14/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/60-70/35 98/90-70/35