Subtract 30/6 from 70/15
1st number: 4 10/15, 2nd number: 5 0/6
70/15 - 30/6 is -1/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 6 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
70/15 = 70 × 2/15 × 2 = 140/30 - Likewise, for the 2nd fraction, since 6 × 5 = 30,
30/6 = 30 × 5/6 × 5 = 150/30 - Subtract the two like fractions:
140/30 - 150/30 = 140 - 150/30 = -10/30 - After reducing the fraction, the answer is -1/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/15-60/6 70/30-30/6 70/15-30/12 70/15-90/6 70/45-30/6 70/15-30/18 70/75-30/6 70/15-30/42