Subtract 70/60 from 8/30
1st number: 8/30, 2nd number: 1 10/60
8/30 - 70/60 is -9/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
8/30 = 8 × 2/30 × 2 = 16/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
70/60 = 70 × 1/60 × 1 = 70/60 - Subtract the two like fractions:
16/60 - 70/60 = 16 - 70/60 = -54/60 - After reducing the fraction, the answer is -9/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/30-70/60 8/60-70/60 24/30-70/60 8/90-70/60 40/30-70/60 56/30-70/60