Subtract 70/30 from 2/5
1st number: 2/5, 2nd number: 2 10/30
2/5 - 70/30 is -29/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 5 × 6 = 30,
2/5 = 2 × 6/5 × 6 = 12/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
70/30 = 70 × 1/30 × 1 = 70/30 - Subtract the two like fractions:
12/30 - 70/30 = 12 - 70/30 = -58/30 - After reducing the fraction, the answer is -29/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/5-70/30 2/10-70/30 2/5-70/60 6/5-70/30 2/15-70/30 2/5-70/90 10/5-70/30 2/25-70/30 14/5-70/30 2/35-70/30