Subtract 70/4 from 30/6
1st number: 5 0/6, 2nd number: 17 2/4
30/6 - 70/4 is -25/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 4 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 6 × 2 = 12,
30/6 = 30 × 2/6 × 2 = 60/12 - Likewise, for the 2nd fraction, since 4 × 3 = 12,
70/4 = 70 × 3/4 × 3 = 210/12 - Subtract the two like fractions:
60/12 - 210/12 = 60 - 210/12 = -150/12 - After reducing the fraction, the answer is -25/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/6-70/4 30/12-70/4 30/6-70/8 90/6-70/4 30/18-70/4 30/6-70/12 30/6-70/20 30/42-70/4 30/6-70/28