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