Subtract 30/3 from 70/10
1st number: 7 0/10, 2nd number: 10 0/3
70/10 - 30/3 is -3/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 3 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
70/10 = 70 × 3/10 × 3 = 210/30 - Likewise, for the 2nd fraction, since 3 × 10 = 30,
30/3 = 30 × 10/3 × 10 = 300/30 - Subtract the two like fractions:
210/30 - 300/30 = 210 - 300/30 = -90/30 - After reducing the fraction, the answer is -3/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/10-60/3 70/20-30/3 70/10-30/6 70/10-90/3 70/30-30/3 70/10-30/9 70/50-30/3 70/10-30/15 70/10-30/21