Subtract 70/10 from 9/30
1st number: 9/30, 2nd number: 7 0/10
9/30 - 70/10 is -67/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 10 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
9/30 = 9 × 1/30 × 1 = 9/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
70/10 = 70 × 3/10 × 3 = 210/30 - Subtract the two like fractions:
9/30 - 210/30 = 9 - 210/30 = -201/30 - After reducing the fraction, the answer is -67/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/30-70/10 9/60-70/10 9/30-70/20 27/30-70/10 9/90-70/10 9/30-70/30 45/30-70/10 9/30-70/50 63/30-70/10