Subtract 40/30 from 6/70
1st number: 6/70, 2nd number: 1 10/30
6/70 - 40/30 is -131/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
6/70 = 6 × 3/70 × 3 = 18/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
40/30 = 40 × 7/30 × 7 = 280/210 - Subtract the two like fractions:
18/210 - 280/210 = 18 - 280/210 = -262/210 - After reducing the fraction, the answer is -131/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/70-40/30 6/70-80/30 6/70-40/60 18/70-40/30 6/70-40/90 30/70-40/30 42/70-40/30