Subtract 35/30 from 30/35
1st number: 30/35, 2nd number: 1 5/30
30/35 - 35/30 is -13/42.
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,
30/35 = 30 × 6/35 × 6 = 180/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
35/30 = 35 × 7/30 × 7 = 245/210 - Subtract the two like fractions:
180/210 - 245/210 = 180 - 245/210 = -65/210 - After reducing the fraction, the answer is -13/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/35-35/30 30/35-70/30 30/70-35/30 30/35-35/60 90/35-35/30 30/35-35/90